20654524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 42620256

約数和(自身を除く): 21965732

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 53, 68, 106, 187, 212, 374, 521, 583, 748, 901, 1042, 1166, 1802, 2084, 2332, 3604, 5731, 8857, 9911, 11462, 17714, 19822, 22924, 27613, 35428, 39644, 55226, 97427, 110452, 194854, 303743, 389708, 469421, 607486, 938842, 1214972, 1877684, 5163631, 10327262, 20654524]

約数ペア:

[(1, 20654524), (2, 10327262), (4, 5163631), (11, 1877684), (17, 1214972), (22, 938842), (34, 607486), (44, 469421), (53, 389708), (68, 303743), (106, 194854), (187, 110452), (212, 97427), (374, 55226), (521, 39644), (583, 35428), (748, 27613), (901, 22924), (1042, 19822), (1166, 17714), (1802, 11462), (2084, 9911), (2332, 8857), (3604, 5731)]