20965238

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 38697984

約数和(自身を除く): 17732746

約数列:

[1, 2, 7, 14, 31, 49, 62, 67, 98, 103, 134, 206, 217, 434, 469, 721, 938, 1442, 1519, 2077, 3038, 3193, 3283, 4154, 5047, 6386, 6566, 6901, 10094, 13802, 14539, 22351, 29078, 44702, 48307, 96614, 101773, 156457, 203546, 213931, 312914, 338149, 427862, 676298, 1497517, 2995034, 10482619, 20965238]

約数ペア:

[(1, 20965238), (2, 10482619), (7, 2995034), (14, 1497517), (31, 676298), (49, 427862), (62, 338149), (67, 312914), (98, 213931), (103, 203546), (134, 156457), (206, 101773), (217, 96614), (434, 48307), (469, 44702), (721, 29078), (938, 22351), (1442, 14539), (1519, 13802), (2077, 10094), (3038, 6901), (3193, 6566), (3283, 6386), (4154, 5047)]