20162647505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{66041}}^1$

素因数の和:66138

約数の個数: 64

約数和(自身を含む): 33018886656

約数和(自身を除く): 12856239151

約数列:

[1, 5, 7, 11, 13, 35, 55, 61, 65, 77, 91, 143, 305, 385, 427, 455, 671, 715, 793, 1001, 2135, 3355, 3965, 4697, 5005, 5551, 8723, 23485, 27755, 43615, 61061, 66041, 305305, 330205, 462287, 726451, 858533, 2311435, 3632255, 4028501, 4292665, 5085157, 6009731, 9443863, 20142505, 25425785, 28199507, 30048655, 44313511, 47219315, 52370513, 66107041, 140997535, 221567555, 261852565, 310194577, 330535205, 366593591, 576075643, 1550972885, 1832967955, 2880378215, 4032529501, 20162647505]

約数ペア:

[(1, 20162647505), (5, 4032529501), (7, 2880378215), (11, 1832967955), (13, 1550972885), (35, 576075643), (55, 366593591), (61, 330535205), (65, 310194577), (77, 261852565), (91, 221567555), (143, 140997535), (305, 66107041), (385, 52370513), (427, 47219315), (455, 44313511), (671, 30048655), (715, 28199507), (793, 25425785), (1001, 20142505), (2135, 9443863), (3355, 6009731), (3965, 5085157), (4697, 4292665), (5005, 4028501), (5551, 3632255), (8723, 2311435), (23485, 858533), (27755, 726451), (43615, 462287), (61061, 330205), (66041, 305305)]