20218832020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{577351}}^1$

素因数の和:577480

約数の個数: 48

約数和(自身を含む): 45393723648

約数和(自身を除く): 25174891628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 1030, 1751, 2060, 3502, 7004, 8755, 17510, 35020, 577351, 1154702, 2309404, 2886755, 5773510, 9814967, 11547020, 19629934, 39259868, 49074835, 59467153, 98149670, 118934306, 196299340, 237868612, 297335765, 594671530, 1010941601, 1189343060, 2021883202, 4043766404, 5054708005, 10109416010, 20218832020]

約数ペア:

[(1, 20218832020), (2, 10109416010), (4, 5054708005), (5, 4043766404), (10, 2021883202), (17, 1189343060), (20, 1010941601), (34, 594671530), (68, 297335765), (85, 237868612), (103, 196299340), (170, 118934306), (206, 98149670), (340, 59467153), (412, 49074835), (515, 39259868), (1030, 19629934), (1751, 11547020), (2060, 9814967), (3502, 5773510), (7004, 2886755), (8755, 2309404), (17510, 1154702), (35020, 577351)]