20216948235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1\times {\mathrm{1609}}^1$

素因数の和:2180

約数の個数: 64

約数和(自身を含む): 35566110720

約数和(自身を除く): 15349162485

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 271, 281, 813, 843, 1355, 1405, 1609, 2981, 3091, 4065, 4215, 4827, 8045, 8943, 9273, 14905, 15455, 17699, 24135, 44715, 46365, 53097, 76151, 88495, 228453, 265485, 380755, 436039, 452129, 837661, 1142265, 1308117, 1356387, 2180195, 2260645, 2512983, 4188305, 4796429, 4973419, 6540585, 6781935, 12564915, 14389287, 14920257, 23982145, 24867095, 71946435, 74601285, 122526959, 367580877, 612634795, 1347796549, 1837904385, 4043389647, 6738982745, 20216948235]

約数ペア:

[(1, 20216948235), (3, 6738982745), (5, 4043389647), (11, 1837904385), (15, 1347796549), (33, 612634795), (55, 367580877), (165, 122526959), (271, 74601285), (281, 71946435), (813, 24867095), (843, 23982145), (1355, 14920257), (1405, 14389287), (1609, 12564915), (2981, 6781935), (3091, 6540585), (4065, 4973419), (4215, 4796429), (4827, 4188305), (8045, 2512983), (8943, 2260645), (9273, 2180195), (14905, 1356387), (15455, 1308117), (17699, 1142265), (24135, 837661), (44715, 452129), (46365, 436039), (53097, 380755), (76151, 265485), (88495, 228453)]