20628954

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 46051200

約数和(自身を除く): 25422246

約数列:

[1, 2, 3, 6, 9, 18, 79, 89, 158, 163, 178, 237, 267, 326, 474, 489, 534, 711, 801, 978, 1422, 1467, 1602, 2934, 7031, 12877, 14062, 14507, 21093, 25754, 29014, 38631, 42186, 43521, 63279, 77262, 87042, 115893, 126558, 130563, 231786, 261126, 1146053, 2292106, 3438159, 6876318, 10314477, 20628954]

約数ペア:

[(1, 20628954), (2, 10314477), (3, 6876318), (6, 3438159), (9, 2292106), (18, 1146053), (79, 261126), (89, 231786), (158, 130563), (163, 126558), (178, 115893), (237, 87042), (267, 77262), (326, 63279), (474, 43521), (489, 42186), (534, 38631), (711, 29014), (801, 25754), (978, 21093), (1422, 14507), (1467, 14062), (1602, 12877), (2934, 7031)]