20888933880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4048243}}^1$

素因数の和:4048300

約数の個数: 64

約数和(自身を含む): 64124184960

約数和(自身を除く): 43235251080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 4048243, 8096486, 12144729, 16192972, 20241215, 24289458, 32385944, 40482430, 48578916, 60723645, 80964860, 97157832, 121447290, 161929720, 174074449, 242894580, 348148898, 485789160, 522223347, 696297796, 870372245, 1044446694, 1392595592, 1740744490, 2088893388, 2611116735, 3481488980, 4177786776, 5222233470, 6962977960, 10444466940, 20888933880]

約数ペア:

[(1, 20888933880), (2, 10444466940), (3, 6962977960), (4, 5222233470), (5, 4177786776), (6, 3481488980), (8, 2611116735), (10, 2088893388), (12, 1740744490), (15, 1392595592), (20, 1044446694), (24, 870372245), (30, 696297796), (40, 522223347), (43, 485789160), (60, 348148898), (86, 242894580), (120, 174074449), (129, 161929720), (172, 121447290), (215, 97157832), (258, 80964860), (344, 60723645), (430, 48578916), (516, 40482430), (645, 32385944), (860, 24289458), (1032, 20241215), (1290, 16192972), (1720, 12144729), (2580, 8096486), (5160, 4048243)]