20027175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 38902272

約数和(自身を除く): 18875097

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 75, 105, 111, 175, 185, 259, 525, 555, 777, 925, 1031, 1295, 2775, 3093, 3885, 5155, 6475, 7217, 15465, 19425, 21651, 25775, 36085, 38147, 77325, 108255, 114441, 180425, 190735, 267029, 541275, 572205, 801087, 953675, 1335145, 2861025, 4005435, 6675725, 20027175]

約数ペア:

[(1, 20027175), (3, 6675725), (5, 4005435), (7, 2861025), (15, 1335145), (21, 953675), (25, 801087), (35, 572205), (37, 541275), (75, 267029), (105, 190735), (111, 180425), (175, 114441), (185, 108255), (259, 77325), (525, 38147), (555, 36085), (777, 25775), (925, 21651), (1031, 19425), (1295, 15465), (2775, 7217), (3093, 6475), (3885, 5155)]