20189071370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{30881}}^1$

素因数の和:31055

約数の個数: 64

約数和(自身を含む): 40343256576

約数和(自身を除く): 20154185206

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 107, 130, 214, 235, 470, 535, 611, 1070, 1222, 1391, 2782, 3055, 5029, 6110, 6955, 10058, 13910, 25145, 30881, 50290, 61762, 65377, 130754, 154405, 308810, 326885, 401453, 653770, 802906, 1451407, 2007265, 2902814, 3304267, 4014530, 6608534, 7257035, 14514070, 16521335, 18868291, 33042670, 37736582, 42955471, 85910942, 94341455, 155300549, 188682910, 214777355, 310601098, 429554710, 776502745, 1553005490, 2018907137, 4037814274, 10094535685, 20189071370]

約数ペア:

[(1, 20189071370), (2, 10094535685), (5, 4037814274), (10, 2018907137), (13, 1553005490), (26, 776502745), (47, 429554710), (65, 310601098), (94, 214777355), (107, 188682910), (130, 155300549), (214, 94341455), (235, 85910942), (470, 42955471), (535, 37736582), (611, 33042670), (1070, 18868291), (1222, 16521335), (1391, 14514070), (2782, 7257035), (3055, 6608534), (5029, 4014530), (6110, 3304267), (6955, 2902814), (10058, 2007265), (13910, 1451407), (25145, 802906), (30881, 653770), (50290, 401453), (61762, 326885), (65377, 308810), (130754, 154405)]