20552976

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2693}}^1$

素因数の和:2760

約数の個数: 60

約数和(自身を含む): 58626828

約数和(自身を除く): 38073852

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2693, 3816, 5386, 7632, 8079, 10772, 16158, 21544, 24237, 32316, 43088, 48474, 64632, 96948, 129264, 142729, 193896, 285458, 387792, 428187, 570916, 856374, 1141832, 1284561, 1712748, 2283664, 2569122, 3425496, 5138244, 6850992, 10276488, 20552976]

約数ペア:

[(1, 20552976), (2, 10276488), (3, 6850992), (4, 5138244), (6, 3425496), (8, 2569122), (9, 2283664), (12, 1712748), (16, 1284561), (18, 1141832), (24, 856374), (36, 570916), (48, 428187), (53, 387792), (72, 285458), (106, 193896), (144, 142729), (159, 129264), (212, 96948), (318, 64632), (424, 48474), (477, 43088), (636, 32316), (848, 24237), (954, 21544), (1272, 16158), (1908, 10772), (2544, 8079), (2693, 7632), (3816, 5386)]