20165493452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{50383}}^1$

素因数の和:50622

約数の個数: 48

約数和(自身を含む): 39106045440

約数和(自身を除く): 18940551988

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 179, 358, 559, 716, 1118, 2236, 2327, 4654, 7697, 9308, 15394, 30788, 50383, 100061, 100766, 200122, 201532, 400244, 654979, 1309958, 2166469, 2619916, 4332938, 8665876, 9018557, 18037114, 28164097, 36074228, 56328194, 112656388, 117241241, 234482482, 387797951, 468964964, 775595902, 1551191804, 5041373363, 10082746726, 20165493452]

約数ペア:

[(1, 20165493452), (2, 10082746726), (4, 5041373363), (13, 1551191804), (26, 775595902), (43, 468964964), (52, 387797951), (86, 234482482), (172, 117241241), (179, 112656388), (358, 56328194), (559, 36074228), (716, 28164097), (1118, 18037114), (2236, 9018557), (2327, 8665876), (4654, 4332938), (7697, 2619916), (9308, 2166469), (15394, 1309958), (30788, 654979), (50383, 400244), (100061, 201532), (100766, 200122)]