20166027895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1601}}^1\times {\mathrm{11399}}^1$

素因数の和:13035

約数の個数: 32

約数和(自身を含む): 27613353600

約数和(自身を除く): 7447325705

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1601, 8005, 11399, 20813, 27217, 56995, 104065, 136085, 148187, 193783, 353821, 740935, 968915, 1769105, 2519179, 12595895, 18249799, 91248995, 237247387, 310246583, 1186236935, 1551232915, 4033205579, 20166027895]

約数ペア:

[(1, 20166027895), (5, 4033205579), (13, 1551232915), (17, 1186236935), (65, 310246583), (85, 237247387), (221, 91248995), (1105, 18249799), (1601, 12595895), (8005, 2519179), (11399, 1769105), (20813, 968915), (27217, 740935), (56995, 353821), (104065, 193783), (136085, 148187)]