20995443837

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{983}}^1\times {\mathrm{16831}}^1$

素因数の和:17870

約数の個数: 32

約数和(自身を含む): 31800360960

約数和(自身を除く): 10804917123

約数列:

[1, 3, 9, 27, 47, 141, 423, 983, 1269, 2949, 8847, 16831, 26541, 46201, 50493, 138603, 151479, 415809, 454437, 791057, 1247427, 2373171, 7119513, 16544873, 21358539, 49634619, 148903857, 446711571, 777609031, 2332827093, 6998481279, 20995443837]

約数ペア:

[(1, 20995443837), (3, 6998481279), (9, 2332827093), (27, 777609031), (47, 446711571), (141, 148903857), (423, 49634619), (983, 21358539), (1269, 16544873), (2949, 7119513), (8847, 2373171), (16831, 1247427), (26541, 791057), (46201, 454437), (50493, 415809), (138603, 151479)]