20396936

素因数分解:

$2^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 45270540

約数和(自身を除く): 24873604

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 61, 98, 122, 196, 244, 392, 427, 488, 853, 854, 1706, 1708, 2989, 3412, 3416, 5971, 5978, 6824, 11942, 11956, 23884, 23912, 41797, 47768, 52033, 83594, 104066, 167188, 208132, 334376, 364231, 416264, 728462, 1456924, 2549617, 2913848, 5099234, 10198468, 20396936]

約数ペア:

[(1, 20396936), (2, 10198468), (4, 5099234), (7, 2913848), (8, 2549617), (14, 1456924), (28, 728462), (49, 416264), (56, 364231), (61, 334376), (98, 208132), (122, 167188), (196, 104066), (244, 83594), (392, 52033), (427, 47768), (488, 41797), (853, 23912), (854, 23884), (1706, 11956), (1708, 11942), (2989, 6824), (3412, 5978), (3416, 5971)]