20197802048

素因数分解:

$2^6\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{8101}}^1$

素因数の和:8515

約数の個数: 56

約数和(自身を含む): 40499629440

約数和(自身を除く): 20301827392

約数列:

[1, 2, 4, 8, 16, 32, 64, 163, 239, 326, 478, 652, 956, 1304, 1912, 2608, 3824, 5216, 7648, 8101, 10432, 15296, 16202, 32404, 38957, 64808, 77914, 129616, 155828, 259232, 311656, 518464, 623312, 1246624, 1320463, 1936139, 2493248, 2640926, 3872278, 5281852, 7744556, 10563704, 15489112, 21127408, 30978224, 42254816, 61956448, 84509632, 123912896, 315590657, 631181314, 1262362628, 2524725256, 5049450512, 10098901024, 20197802048]

約数ペア:

[(1, 20197802048), (2, 10098901024), (4, 5049450512), (8, 2524725256), (16, 1262362628), (32, 631181314), (64, 315590657), (163, 123912896), (239, 84509632), (326, 61956448), (478, 42254816), (652, 30978224), (956, 21127408), (1304, 15489112), (1912, 10563704), (2608, 7744556), (3824, 5281852), (5216, 3872278), (7648, 2640926), (8101, 2493248), (10432, 1936139), (15296, 1320463), (16202, 1246624), (32404, 623312), (38957, 518464), (64808, 311656), (77914, 259232), (129616, 155828)]