20178245570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{521267}}^1$

素因数の和:521367

約数の個数: 48

約数和(自身を含む): 42785677440

約数和(自身を除く): 22607431870

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 395, 490, 553, 790, 1106, 2765, 3871, 5530, 7742, 19355, 38710, 521267, 1042534, 2606335, 3648869, 5212670, 7297738, 18244345, 25542083, 36488690, 41180093, 51084166, 82360186, 127710415, 205900465, 255420830, 288260651, 411800930, 576521302, 1441303255, 2017824557, 2882606510, 4035649114, 10089122785, 20178245570]

約数ペア:

[(1, 20178245570), (2, 10089122785), (5, 4035649114), (7, 2882606510), (10, 2017824557), (14, 1441303255), (35, 576521302), (49, 411800930), (70, 288260651), (79, 255420830), (98, 205900465), (158, 127710415), (245, 82360186), (395, 51084166), (490, 41180093), (553, 36488690), (790, 25542083), (1106, 18244345), (2765, 7297738), (3871, 5212670), (5530, 3648869), (7742, 2606335), (19355, 1042534), (38710, 521267)]