20736185220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38400343}}^1$

素因数の和:38400361

約数の個数: 48

約数和(自身を含む): 64512577920

約数和(自身を除く): 43776392700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38400343, 76800686, 115201029, 153601372, 192001715, 230402058, 345603087, 384003430, 460804116, 576005145, 691206174, 768006860, 1036809261, 1152010290, 1382412348, 1728015435, 2073618522, 2304020580, 3456030870, 4147237044, 5184046305, 6912061740, 10368092610, 20736185220]

約数ペア:

[(1, 20736185220), (2, 10368092610), (3, 6912061740), (4, 5184046305), (5, 4147237044), (6, 3456030870), (9, 2304020580), (10, 2073618522), (12, 1728015435), (15, 1382412348), (18, 1152010290), (20, 1036809261), (27, 768006860), (30, 691206174), (36, 576005145), (45, 460804116), (54, 384003430), (60, 345603087), (90, 230402058), (108, 192001715), (135, 153601372), (180, 115201029), (270, 76800686), (540, 38400343)]