20921004

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{4967}}^1$

素因数の和:4996

約数の個数: 60

約数和(自身を含む): 58910544

約数和(自身を除く): 37989540

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 4967, 9934, 14901, 19868, 29802, 44703, 59604, 64571, 89406, 129142, 134109, 178812, 193713, 258284, 268218, 387426, 402327, 536436, 581139, 774852, 804654, 1162278, 1609308, 1743417, 2324556, 3486834, 5230251, 6973668, 10460502, 20921004]

約数ペア:

[(1, 20921004), (2, 10460502), (3, 6973668), (4, 5230251), (6, 3486834), (9, 2324556), (12, 1743417), (13, 1609308), (18, 1162278), (26, 804654), (27, 774852), (36, 581139), (39, 536436), (52, 402327), (54, 387426), (78, 268218), (81, 258284), (108, 193713), (117, 178812), (156, 134109), (162, 129142), (234, 89406), (324, 64571), (351, 59604), (468, 44703), (702, 29802), (1053, 19868), (1404, 14901), (2106, 9934), (4212, 4967)]