20850960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 71745408

約数和(自身を除く): 50894448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 41, 48, 52, 60, 65, 78, 80, 82, 104, 120, 123, 130, 156, 163, 164, 195, 205, 208, 240, 246, 260, 312, 326, 328, 390, 410, 489, 492, 520, 533, 615, 624, 652, 656, 780, 815, 820, 978, 984, 1040, 1066, 1230, 1304, 1560, 1599, 1630, 1640, 1956, 1968, 2119, 2132, 2445, 2460, 2608, 2665, 3120, 3198, 3260, 3280, 3912, 4238, 4264, 4890, 4920, 5330, 6357, 6396, 6520, 6683, 7824, 7995, 8476, 8528, 9780, 9840, 10595, 10660, 12714, 12792, 13040, 13366, 15990, 16952, 19560, 20049, 21190, 21320, 25428, 25584, 26732, 31785, 31980, 33415, 33904, 39120, 40098, 42380, 42640, 50856, 53464, 63570, 63960, 66830, 80196, 84760, 86879, 100245, 101712, 106928, 127140, 127920, 133660, 160392, 169520, 173758, 200490, 254280, 260637, 267320, 320784, 347516, 400980, 434395, 508560, 521274, 534640, 695032, 801960, 868790, 1042548, 1303185, 1390064, 1603920, 1737580, 2085096, 2606370, 3475160, 4170192, 5212740, 6950320, 10425480, 20850960]

約数ペア:

[(1, 20850960), (2, 10425480), (3, 6950320), (4, 5212740), (5, 4170192), (6, 3475160), (8, 2606370), (10, 2085096), (12, 1737580), (13, 1603920), (15, 1390064), (16, 1303185), (20, 1042548), (24, 868790), (26, 801960), (30, 695032), (39, 534640), (40, 521274), (41, 508560), (48, 434395), (52, 400980), (60, 347516), (65, 320784), (78, 267320), (80, 260637), (82, 254280), (104, 200490), (120, 173758), (123, 169520), (130, 160392), (156, 133660), (163, 127920), (164, 127140), (195, 106928), (205, 101712), (208, 100245), (240, 86879), (246, 84760), (260, 80196), (312, 66830), (326, 63960), (328, 63570), (390, 53464), (410, 50856), (489, 42640), (492, 42380), (520, 40098), (533, 39120), (615, 33904), (624, 33415), (652, 31980), (656, 31785), (780, 26732), (815, 25584), (820, 25428), (978, 21320), (984, 21190), (1040, 20049), (1066, 19560), (1230, 16952), (1304, 15990), (1560, 13366), (1599, 13040), (1630, 12792), (1640, 12714), (1956, 10660), (1968, 10595), (2119, 9840), (2132, 9780), (2445, 8528), (2460, 8476), (2608, 7995), (2665, 7824), (3120, 6683), (3198, 6520), (3260, 6396), (3280, 6357), (3912, 5330), (4238, 4920), (4264, 4890)]