20179575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6899}}^1$

素因数の和:6928

約数の個数: 36

約数和(自身を含む): 38929800

約数和(自身を除く): 18750225

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6899, 20697, 34495, 62091, 89687, 103485, 172475, 269061, 310455, 448435, 517425, 807183, 1345305, 1552275, 2242175, 4035915, 6726525, 20179575]

約数ペア:

[(1, 20179575), (3, 6726525), (5, 4035915), (9, 2242175), (13, 1552275), (15, 1345305), (25, 807183), (39, 517425), (45, 448435), (65, 310455), (75, 269061), (117, 172475), (195, 103485), (225, 89687), (325, 62091), (585, 34495), (975, 20697), (2925, 6899)]