20046735

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 36173280

約数和(自身を除く): 16126545

約数列:

[1, 3, 5, 9, 15, 45, 61, 67, 109, 183, 201, 305, 327, 335, 545, 549, 603, 915, 981, 1005, 1635, 2745, 3015, 4087, 4905, 6649, 7303, 12261, 19947, 20435, 21909, 33245, 36515, 36783, 59841, 61305, 65727, 99735, 109545, 183915, 299205, 328635, 445483, 1336449, 2227415, 4009347, 6682245, 20046735]

約数ペア:

[(1, 20046735), (3, 6682245), (5, 4009347), (9, 2227415), (15, 1336449), (45, 445483), (61, 328635), (67, 299205), (109, 183915), (183, 109545), (201, 99735), (305, 65727), (327, 61305), (335, 59841), (545, 36783), (549, 36515), (603, 33245), (915, 21909), (981, 20435), (1005, 19947), (1635, 12261), (2745, 7303), (3015, 6649), (4087, 4905)]