20138244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1609}}^1$

素因数の和:1772

約数の個数: 48

約数和(自身を含む): 54096000

約数和(自身を除く): 33957756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 149, 298, 447, 596, 894, 1043, 1609, 1788, 2086, 3129, 3218, 4172, 4827, 6258, 6436, 9654, 11263, 12516, 19308, 22526, 33789, 45052, 67578, 135156, 239741, 479482, 719223, 958964, 1438446, 1678187, 2876892, 3356374, 5034561, 6712748, 10069122, 20138244]

約数ペア:

[(1, 20138244), (2, 10069122), (3, 6712748), (4, 5034561), (6, 3356374), (7, 2876892), (12, 1678187), (14, 1438446), (21, 958964), (28, 719223), (42, 479482), (84, 239741), (149, 135156), (298, 67578), (447, 45052), (596, 33789), (894, 22526), (1043, 19308), (1609, 12516), (1788, 11263), (2086, 9654), (3129, 6436), (3218, 6258), (4172, 4827)]