20872810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8059}}^1$

素因数の和:8110

約数の個数: 32

約数和(自身を含む): 44104320

約数和(自身を除く): 23231510

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 8059, 16118, 40295, 56413, 80590, 112826, 282065, 298183, 564130, 596366, 1490915, 2087281, 2981830, 4174562, 10436405, 20872810]

約数ペア:

[(1, 20872810), (2, 10436405), (5, 4174562), (7, 2981830), (10, 2087281), (14, 1490915), (35, 596366), (37, 564130), (70, 298183), (74, 282065), (185, 112826), (259, 80590), (370, 56413), (518, 40295), (1295, 16118), (2590, 8059)]