20174828216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1039}}^1\times {\mathrm{127747}}^1$

素因数の和:128811

約数の個数: 32

約数和(自身を含む): 39857376000

約数和(自身を除く): 19682547784

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1039, 2078, 4156, 8312, 19741, 39482, 78964, 127747, 157928, 255494, 510988, 1021976, 2427193, 4854386, 9708772, 19417544, 132729133, 265458266, 530916532, 1061833064, 2521853527, 5043707054, 10087414108, 20174828216]

約数ペア:

[(1, 20174828216), (2, 10087414108), (4, 5043707054), (8, 2521853527), (19, 1061833064), (38, 530916532), (76, 265458266), (152, 132729133), (1039, 19417544), (2078, 9708772), (4156, 4854386), (8312, 2427193), (19741, 1021976), (39482, 510988), (78964, 255494), (127747, 157928)]