20185021320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1873}}^1\times {\mathrm{2897}}^1$

素因数の和:4815

約数の個数: 128

約数和(自身を含む): 62563415040

約数和(自身を除く): 42378393720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 1873, 2897, 3720, 3746, 5619, 5794, 7492, 8691, 9365, 11238, 11588, 14485, 14984, 17382, 18730, 22476, 23176, 28095, 28970, 34764, 37460, 43455, 44952, 56190, 57940, 58063, 69528, 74920, 86910, 89807, 112380, 115880, 116126, 173820, 174189, 179614, 224760, 232252, 269421, 290315, 347640, 348378, 359228, 449035, 464504, 538842, 580630, 696756, 718456, 870945, 898070, 1077684, 1161260, 1347105, 1393512, 1741890, 1796140, 2155368, 2322520, 2694210, 3483780, 3592280, 5388420, 5426081, 6967560, 10776840, 10852162, 16278243, 21704324, 27130405, 32556486, 43408648, 54260810, 65112972, 81391215, 108521620, 130225944, 162782430, 168208511, 217043240, 325564860, 336417022, 504625533, 651129720, 672834044, 841042555, 1009251066, 1345668088, 1682085110, 2018502132, 2523127665, 3364170220, 4037004264, 5046255330, 6728340440, 10092510660, 20185021320]

約数ペア:

[(1, 20185021320), (2, 10092510660), (3, 6728340440), (4, 5046255330), (5, 4037004264), (6, 3364170220), (8, 2523127665), (10, 2018502132), (12, 1682085110), (15, 1345668088), (20, 1009251066), (24, 841042555), (30, 672834044), (31, 651129720), (40, 504625533), (60, 336417022), (62, 325564860), (93, 217043240), (120, 168208511), (124, 162782430), (155, 130225944), (186, 108521620), (248, 81391215), (310, 65112972), (372, 54260810), (465, 43408648), (620, 32556486), (744, 27130405), (930, 21704324), (1240, 16278243), (1860, 10852162), (1873, 10776840), (2897, 6967560), (3720, 5426081), (3746, 5388420), (5619, 3592280), (5794, 3483780), (7492, 2694210), (8691, 2322520), (9365, 2155368), (11238, 1796140), (11588, 1741890), (14485, 1393512), (14984, 1347105), (17382, 1161260), (18730, 1077684), (22476, 898070), (23176, 870945), (28095, 718456), (28970, 696756), (34764, 580630), (37460, 538842), (43455, 464504), (44952, 449035), (56190, 359228), (57940, 348378), (58063, 347640), (69528, 290315), (74920, 269421), (86910, 232252), (89807, 224760), (112380, 179614), (115880, 174189), (116126, 173820)]