20462625

素因数分解:

$3^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 80

約数和(自身を含む): 39866112

約数和(自身を除く): 19403487

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 47, 75, 81, 125, 129, 135, 141, 215, 225, 235, 375, 387, 405, 423, 645, 675, 705, 1075, 1125, 1161, 1175, 1269, 1935, 2021, 2025, 2115, 3225, 3375, 3483, 3525, 3807, 5375, 5805, 5875, 6063, 6345, 9675, 10105, 10125, 10575, 16125, 17415, 17625, 18189, 19035, 29025, 30315, 31725, 48375, 50525, 52875, 54567, 87075, 90945, 95175, 145125, 151575, 158625, 163701, 252625, 272835, 435375, 454725, 475875, 757875, 818505, 1364175, 2273625, 4092525, 6820875, 20462625]

約数ペア:

[(1, 20462625), (3, 6820875), (5, 4092525), (9, 2273625), (15, 1364175), (25, 818505), (27, 757875), (43, 475875), (45, 454725), (47, 435375), (75, 272835), (81, 252625), (125, 163701), (129, 158625), (135, 151575), (141, 145125), (215, 95175), (225, 90945), (235, 87075), (375, 54567), (387, 52875), (405, 50525), (423, 48375), (645, 31725), (675, 30315), (705, 29025), (1075, 19035), (1125, 18189), (1161, 17625), (1175, 17415), (1269, 16125), (1935, 10575), (2021, 10125), (2025, 10105), (2115, 9675), (3225, 6345), (3375, 6063), (3483, 5875), (3525, 5805), (3807, 5375)]