20734948

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:896

約数の個数: 36

約数和(自身を含む): 40402740

約数和(自身を除く): 19667792

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 169, 338, 481, 676, 829, 962, 1658, 1924, 3316, 6253, 10777, 12506, 21554, 25012, 30673, 43108, 61346, 122692, 140101, 280202, 398749, 560404, 797498, 1594996, 5183737, 10367474, 20734948]

約数ペア:

[(1, 20734948), (2, 10367474), (4, 5183737), (13, 1594996), (26, 797498), (37, 560404), (52, 398749), (74, 280202), (148, 140101), (169, 122692), (338, 61346), (481, 43108), (676, 30673), (829, 25012), (962, 21554), (1658, 12506), (1924, 10777), (3316, 6253)]