20238470780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{481639}}^1$

素因数の和:481850

約数の個数: 48

約数和(自身を含む): 46607339520

約数和(自身を除く): 26368868740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 764, 955, 1910, 2101, 3820, 4202, 8404, 10505, 21010, 42020, 481639, 963278, 1926556, 2408195, 4816390, 5298029, 9632780, 10596058, 21192116, 26490145, 52980290, 91993049, 105960580, 183986098, 367972196, 459965245, 919930490, 1011923539, 1839860980, 2023847078, 4047694156, 5059617695, 10119235390, 20238470780]

約数ペア:

[(1, 20238470780), (2, 10119235390), (4, 5059617695), (5, 4047694156), (10, 2023847078), (11, 1839860980), (20, 1011923539), (22, 919930490), (44, 459965245), (55, 367972196), (110, 183986098), (191, 105960580), (220, 91993049), (382, 52980290), (764, 26490145), (955, 21192116), (1910, 10596058), (2101, 9632780), (3820, 5298029), (4202, 4816390), (8404, 2408195), (10505, 1926556), (21010, 963278), (42020, 481639)]