20346688125

素因数分解:

$3^2\times 5^4\times {\mathrm{1471}}^1\times {\mathrm{2459}}^1$

素因数の和:3956

約数の個数: 60

約数和(自身を含む): 36765231360

約数和(自身を除く): 16418543235

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1471, 1875, 2459, 4413, 5625, 7355, 7377, 12295, 13239, 22065, 22131, 36775, 36885, 61475, 66195, 110325, 110655, 183875, 184425, 307375, 330975, 551625, 553275, 919375, 922125, 1536875, 1654875, 2758125, 2766375, 3617189, 4610625, 8274375, 10851567, 13831875, 18085945, 32554701, 54257835, 90429725, 162773505, 271289175, 452148625, 813867525, 1356445875, 2260743125, 4069337625, 6782229375, 20346688125]

約数ペア:

[(1, 20346688125), (3, 6782229375), (5, 4069337625), (9, 2260743125), (15, 1356445875), (25, 813867525), (45, 452148625), (75, 271289175), (125, 162773505), (225, 90429725), (375, 54257835), (625, 32554701), (1125, 18085945), (1471, 13831875), (1875, 10851567), (2459, 8274375), (4413, 4610625), (5625, 3617189), (7355, 2766375), (7377, 2758125), (12295, 1654875), (13239, 1536875), (22065, 922125), (22131, 919375), (36775, 553275), (36885, 551625), (61475, 330975), (66195, 307375), (110325, 184425), (110655, 183875)]