20170981670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1\times {\mathrm{2531}}^1$

素因数の和:3245

約数の個数: 64

約数和(自身を含む): 41766575616

約数和(自身を除く): 21595593946

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 443, 514, 886, 1285, 1799, 2215, 2531, 2570, 3101, 3598, 4430, 5062, 6202, 8995, 12655, 15505, 17717, 17990, 25310, 31010, 35434, 88585, 113851, 177170, 227702, 569255, 650467, 796957, 1121233, 1138510, 1300934, 1593914, 2242466, 3252335, 3984785, 4553269, 5606165, 6504670, 7848631, 7969570, 9106538, 11212330, 15697262, 22766345, 39243155, 45532690, 78486310, 288156881, 576313762, 1440784405, 2017098167, 2881568810, 4034196334, 10085490835, 20170981670]

約数ペア:

[(1, 20170981670), (2, 10085490835), (5, 4034196334), (7, 2881568810), (10, 2017098167), (14, 1440784405), (35, 576313762), (70, 288156881), (257, 78486310), (443, 45532690), (514, 39243155), (886, 22766345), (1285, 15697262), (1799, 11212330), (2215, 9106538), (2531, 7969570), (2570, 7848631), (3101, 6504670), (3598, 5606165), (4430, 4553269), (5062, 3984785), (6202, 3252335), (8995, 2242466), (12655, 1593914), (15505, 1300934), (17717, 1138510), (17990, 1121233), (25310, 796957), (31010, 650467), (35434, 569255), (88585, 227702), (113851, 177170)]