20147987510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9925117}}^1$

素因数の和:9925160

約数の個数: 32

約数和(自身を含む): 42876509760

約数和(自身を除く): 22728522250

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9925117, 19850234, 49625585, 69475819, 99251170, 138951638, 287828393, 347379095, 575656786, 694758190, 1439141965, 2014798751, 2878283930, 4029597502, 10073993755, 20147987510]

約数ペア:

[(1, 20147987510), (2, 10073993755), (5, 4029597502), (7, 2878283930), (10, 2014798751), (14, 1439141965), (29, 694758190), (35, 575656786), (58, 347379095), (70, 287828393), (145, 138951638), (203, 99251170), (290, 69475819), (406, 49625585), (1015, 19850234), (2030, 9925117)]