20242920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9923}}^1$

素因数の和:9954

約数の個数: 64

約数和(自身を含む): 64307520

約数和(自身を除く): 44064600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9923, 19846, 29769, 39692, 49615, 59538, 79384, 99230, 119076, 148845, 168691, 198460, 238152, 297690, 337382, 396920, 506073, 595380, 674764, 843455, 1012146, 1190760, 1349528, 1686910, 2024292, 2530365, 3373820, 4048584, 5060730, 6747640, 10121460, 20242920]

約数ペア:

[(1, 20242920), (2, 10121460), (3, 6747640), (4, 5060730), (5, 4048584), (6, 3373820), (8, 2530365), (10, 2024292), (12, 1686910), (15, 1349528), (17, 1190760), (20, 1012146), (24, 843455), (30, 674764), (34, 595380), (40, 506073), (51, 396920), (60, 337382), (68, 297690), (85, 238152), (102, 198460), (120, 168691), (136, 148845), (170, 119076), (204, 99230), (255, 79384), (340, 59538), (408, 49615), (510, 39692), (680, 29769), (1020, 19846), (2040, 9923)]