20343855160

素因数分解:

$2^3\times 5^1\times {\mathrm{10267}}^1\times {\mathrm{49537}}^1$

素因数の和:59815

約数の個数: 32

約数和(自身を含む): 45779056560

約数和(自身を除く): 25435201400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10267, 20534, 41068, 49537, 51335, 82136, 99074, 102670, 198148, 205340, 247685, 396296, 410680, 495370, 990740, 1981480, 508596379, 1017192758, 2034385516, 2542981895, 4068771032, 5085963790, 10171927580, 20343855160]

約数ペア:

[(1, 20343855160), (2, 10171927580), (4, 5085963790), (5, 4068771032), (8, 2542981895), (10, 2034385516), (20, 1017192758), (40, 508596379), (10267, 1981480), (20534, 990740), (41068, 495370), (49537, 410680), (51335, 396296), (82136, 247685), (99074, 205340), (102670, 198148)]