20855554980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{17351}}^1$

素因数の和:17466

約数の個数: 192

約数和(自身を含む): 66605027328

約数和(自身を除く): 45749472348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 67, 69, 78, 92, 115, 130, 134, 138, 156, 195, 201, 230, 260, 268, 276, 299, 335, 345, 390, 402, 460, 598, 670, 690, 780, 804, 871, 897, 1005, 1196, 1340, 1380, 1495, 1541, 1742, 1794, 2010, 2613, 2990, 3082, 3484, 3588, 4020, 4355, 4485, 4623, 5226, 5980, 6164, 7705, 8710, 8970, 9246, 10452, 13065, 15410, 17351, 17420, 17940, 18492, 20033, 23115, 26130, 30820, 34702, 40066, 46230, 52053, 52260, 60099, 69404, 80132, 86755, 92460, 100165, 104106, 120198, 173510, 200330, 208212, 225563, 240396, 260265, 300495, 347020, 399073, 400660, 451126, 520530, 600990, 676689, 798146, 902252, 1041060, 1127815, 1162517, 1197219, 1201980, 1353378, 1596292, 1995365, 2255630, 2325034, 2394438, 2706756, 3383445, 3487551, 3990730, 4511260, 4650068, 4788876, 5187949, 5812585, 5986095, 6766890, 6975102, 7981460, 10375898, 11625170, 11972190, 13533780, 13950204, 15112721, 15563847, 17437755, 20751796, 23250340, 23944380, 25939745, 26737891, 30225442, 31127694, 34875510, 45338163, 51879490, 53475782, 60450884, 62255388, 69751020, 75563605, 77819235, 80213673, 90676326, 103758980, 106951564, 133689455, 151127210, 155638470, 160427346, 181352652, 226690815, 267378910, 302254420, 311276940, 320854692, 347592583, 401068365, 453381630, 534757820, 695185166, 802136730, 906763260, 1042777749, 1390370332, 1604273460, 1737962915, 2085555498, 3475925830, 4171110996, 5213888745, 6951851660, 10427777490, 20855554980]

約数ペア:

[(1, 20855554980), (2, 10427777490), (3, 6951851660), (4, 5213888745), (5, 4171110996), (6, 3475925830), (10, 2085555498), (12, 1737962915), (13, 1604273460), (15, 1390370332), (20, 1042777749), (23, 906763260), (26, 802136730), (30, 695185166), (39, 534757820), (46, 453381630), (52, 401068365), (60, 347592583), (65, 320854692), (67, 311276940), (69, 302254420), (78, 267378910), (92, 226690815), (115, 181352652), (130, 160427346), (134, 155638470), (138, 151127210), (156, 133689455), (195, 106951564), (201, 103758980), (230, 90676326), (260, 80213673), (268, 77819235), (276, 75563605), (299, 69751020), (335, 62255388), (345, 60450884), (390, 53475782), (402, 51879490), (460, 45338163), (598, 34875510), (670, 31127694), (690, 30225442), (780, 26737891), (804, 25939745), (871, 23944380), (897, 23250340), (1005, 20751796), (1196, 17437755), (1340, 15563847), (1380, 15112721), (1495, 13950204), (1541, 13533780), (1742, 11972190), (1794, 11625170), (2010, 10375898), (2613, 7981460), (2990, 6975102), (3082, 6766890), (3484, 5986095), (3588, 5812585), (4020, 5187949), (4355, 4788876), (4485, 4650068), (4623, 4511260), (5226, 3990730), (5980, 3487551), (6164, 3383445), (7705, 2706756), (8710, 2394438), (8970, 2325034), (9246, 2255630), (10452, 1995365), (13065, 1596292), (15410, 1353378), (17351, 1201980), (17420, 1197219), (17940, 1162517), (18492, 1127815), (20033, 1041060), (23115, 902252), (26130, 798146), (30820, 676689), (34702, 600990), (40066, 520530), (46230, 451126), (52053, 400660), (52260, 399073), (60099, 347020), (69404, 300495), (80132, 260265), (86755, 240396), (92460, 225563), (100165, 208212), (104106, 200330), (120198, 173510)]