20707736

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6977}}^1$

素因数の和:7043

約数の個数: 32

約数和(自身を含む): 45217440

約数和(自身を除く): 24509704

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6977, 13954, 27908, 48839, 55816, 97678, 195356, 369781, 390712, 739562, 1479124, 2588467, 2958248, 5176934, 10353868, 20707736]

約数ペア:

[(1, 20707736), (2, 10353868), (4, 5176934), (7, 2958248), (8, 2588467), (14, 1479124), (28, 739562), (53, 390712), (56, 369781), (106, 195356), (212, 97678), (371, 55816), (424, 48839), (742, 27908), (1484, 13954), (2968, 6977)]