20858902295

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4253}}^1\times {\mathrm{12739}}^1$

素因数の和:17015

約数の個数: 32

約数和(自身を含む): 31216872960

約数和(自身を除く): 10357970665

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 4253, 12739, 21265, 29771, 46783, 63695, 89173, 140129, 148855, 233915, 327481, 445865, 700645, 980903, 1637405, 4904515, 54178967, 270894835, 379252769, 595968637, 1896263845, 2979843185, 4171780459, 20858902295]

約数ペア:

[(1, 20858902295), (5, 4171780459), (7, 2979843185), (11, 1896263845), (35, 595968637), (55, 379252769), (77, 270894835), (385, 54178967), (4253, 4904515), (12739, 1637405), (21265, 980903), (29771, 700645), (46783, 445865), (63695, 327481), (89173, 233915), (140129, 148855)]