20064752

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 40778640

約数和(自身を除く): 20713888

約数列:

[1, 2, 4, 8, 16, 29, 58, 83, 116, 166, 232, 332, 464, 521, 664, 1042, 1328, 2084, 2407, 4168, 4814, 8336, 9628, 15109, 19256, 30218, 38512, 43243, 60436, 86486, 120872, 172972, 241744, 345944, 691888, 1254047, 2508094, 5016188, 10032376, 20064752]

約数ペア:

[(1, 20064752), (2, 10032376), (4, 5016188), (8, 2508094), (16, 1254047), (29, 691888), (58, 345944), (83, 241744), (116, 172972), (166, 120872), (232, 86486), (332, 60436), (464, 43243), (521, 38512), (664, 30218), (1042, 19256), (1328, 15109), (2084, 9628), (2407, 8336), (4168, 4814)]