20634208

素因数分解:

$2^5\times 7^1\times {\mathrm{251}}^1\times {\mathrm{367}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 46738944

約数和(自身を除く): 26104736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 251, 367, 502, 734, 1004, 1468, 1757, 2008, 2569, 2936, 3514, 4016, 5138, 5872, 7028, 8032, 10276, 11744, 14056, 20552, 28112, 41104, 56224, 82208, 92117, 184234, 368468, 644819, 736936, 1289638, 1473872, 2579276, 2947744, 5158552, 10317104, 20634208]

約数ペア:

[(1, 20634208), (2, 10317104), (4, 5158552), (7, 2947744), (8, 2579276), (14, 1473872), (16, 1289638), (28, 736936), (32, 644819), (56, 368468), (112, 184234), (224, 92117), (251, 82208), (367, 56224), (502, 41104), (734, 28112), (1004, 20552), (1468, 14056), (1757, 11744), (2008, 10276), (2569, 8032), (2936, 7028), (3514, 5872), (4016, 5138)]