20330296

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 46080000

約数和(自身を除く): 25749704

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 239, 248, 343, 392, 434, 478, 686, 868, 956, 1372, 1519, 1673, 1736, 1912, 2744, 3038, 3346, 6076, 6692, 7409, 10633, 11711, 12152, 13384, 14818, 21266, 23422, 29636, 42532, 46844, 51863, 59272, 81977, 85064, 93688, 103726, 163954, 207452, 327908, 363041, 414904, 655816, 726082, 1452164, 2541287, 2904328, 5082574, 10165148, 20330296]

約数ペア:

[(1, 20330296), (2, 10165148), (4, 5082574), (7, 2904328), (8, 2541287), (14, 1452164), (28, 726082), (31, 655816), (49, 414904), (56, 363041), (62, 327908), (98, 207452), (124, 163954), (196, 103726), (217, 93688), (239, 85064), (248, 81977), (343, 59272), (392, 51863), (434, 46844), (478, 42532), (686, 29636), (868, 23422), (956, 21266), (1372, 14818), (1519, 13384), (1673, 12152), (1736, 11711), (1912, 10633), (2744, 7409), (3038, 6692), (3346, 6076)]