20457310320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9470977}}^1$

素因数の和:9470999

約数の個数: 80

約数和(自身を含む): 70464076320

約数和(自身を除く): 50006766000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9470977, 18941954, 28412931, 37883908, 47354885, 56825862, 75767816, 85238793, 94709770, 113651724, 142064655, 151535632, 170477586, 189419540, 227303448, 255716379, 284129310, 340955172, 378839080, 426193965, 454606896, 511432758, 568258620, 681910344, 757678160, 852387930, 1022865516, 1136517240, 1278581895, 1363820688, 1704775860, 2045731032, 2273034480, 2557163790, 3409551720, 4091462064, 5114327580, 6819103440, 10228655160, 20457310320]

約数ペア:

[(1, 20457310320), (2, 10228655160), (3, 6819103440), (4, 5114327580), (5, 4091462064), (6, 3409551720), (8, 2557163790), (9, 2273034480), (10, 2045731032), (12, 1704775860), (15, 1363820688), (16, 1278581895), (18, 1136517240), (20, 1022865516), (24, 852387930), (27, 757678160), (30, 681910344), (36, 568258620), (40, 511432758), (45, 454606896), (48, 426193965), (54, 378839080), (60, 340955172), (72, 284129310), (80, 255716379), (90, 227303448), (108, 189419540), (120, 170477586), (135, 151535632), (144, 142064655), (180, 113651724), (216, 94709770), (240, 85238793), (270, 75767816), (360, 56825862), (432, 47354885), (540, 37883908), (720, 28412931), (1080, 18941954), (2160, 9470977)]