20199509540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1571}}^1\times {\mathrm{91841}}^1$

素因数の和:93428

約数の個数: 48

約数和(自身を含む): 48510209664

約数和(自身を除く): 28310700124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1571, 3142, 6284, 7855, 10997, 15710, 21994, 31420, 43988, 54985, 91841, 109970, 183682, 219940, 367364, 459205, 642887, 918410, 1285774, 1836820, 2571548, 3214435, 6428870, 12857740, 144282211, 288564422, 577128844, 721411055, 1009975477, 1442822110, 2019950954, 2885644220, 4039901908, 5049877385, 10099754770, 20199509540]

約数ペア:

[(1, 20199509540), (2, 10099754770), (4, 5049877385), (5, 4039901908), (7, 2885644220), (10, 2019950954), (14, 1442822110), (20, 1009975477), (28, 721411055), (35, 577128844), (70, 288564422), (140, 144282211), (1571, 12857740), (3142, 6428870), (6284, 3214435), (7855, 2571548), (10997, 1836820), (15710, 1285774), (21994, 918410), (31420, 642887), (43988, 459205), (54985, 367364), (91841, 219940), (109970, 183682)]