20878344

素因数分解:

$2^3\times 3^3\times {\mathrm{163}}^1\times {\mathrm{593}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 58449600

約数和(自身を除く): 37571256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 163, 216, 326, 489, 593, 652, 978, 1186, 1304, 1467, 1779, 1956, 2372, 2934, 3558, 3912, 4401, 4744, 5337, 5868, 7116, 8802, 10674, 11736, 14232, 16011, 17604, 21348, 32022, 35208, 42696, 64044, 96659, 128088, 193318, 289977, 386636, 579954, 773272, 869931, 1159908, 1739862, 2319816, 2609793, 3479724, 5219586, 6959448, 10439172, 20878344]

約数ペア:

[(1, 20878344), (2, 10439172), (3, 6959448), (4, 5219586), (6, 3479724), (8, 2609793), (9, 2319816), (12, 1739862), (18, 1159908), (24, 869931), (27, 773272), (36, 579954), (54, 386636), (72, 289977), (108, 193318), (163, 128088), (216, 96659), (326, 64044), (489, 42696), (593, 35208), (652, 32022), (978, 21348), (1186, 17604), (1304, 16011), (1467, 14232), (1779, 11736), (1956, 10674), (2372, 8802), (2934, 7116), (3558, 5868), (3912, 5337), (4401, 4744)]