20178086180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3767}}^1\times {\mathrm{38261}}^1$

素因数の和:42044

約数の個数: 48

約数和(自身を含む): 48441528576

約数和(自身を除く): 28263442396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3767, 7534, 15068, 18835, 26369, 37670, 38261, 52738, 75340, 76522, 105476, 131845, 153044, 191305, 263690, 267827, 382610, 527380, 535654, 765220, 1071308, 1339135, 2678270, 5356540, 144129187, 288258374, 576516748, 720645935, 1008904309, 1441291870, 2017808618, 2882583740, 4035617236, 5044521545, 10089043090, 20178086180]

約数ペア:

[(1, 20178086180), (2, 10089043090), (4, 5044521545), (5, 4035617236), (7, 2882583740), (10, 2017808618), (14, 1441291870), (20, 1008904309), (28, 720645935), (35, 576516748), (70, 288258374), (140, 144129187), (3767, 5356540), (7534, 2678270), (15068, 1339135), (18835, 1071308), (26369, 765220), (37670, 535654), (38261, 527380), (52738, 382610), (75340, 267827), (76522, 263690), (105476, 191305), (131845, 153044)]