20681962

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1297}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 38130048

約数和(自身を除く): 17448086

約数列:

[1, 2, 7, 14, 17, 34, 67, 119, 134, 238, 469, 938, 1139, 1297, 2278, 2594, 7973, 9079, 15946, 18158, 22049, 44098, 86899, 154343, 173798, 308686, 608293, 1216586, 1477283, 2954566, 10340981, 20681962]

約数ペア:

[(1, 20681962), (2, 10340981), (7, 2954566), (14, 1477283), (17, 1216586), (34, 608293), (67, 308686), (119, 173798), (134, 154343), (238, 86899), (469, 44098), (938, 22049), (1139, 18158), (1297, 15946), (2278, 9079), (2594, 7973)]