20015280160

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1713637}}^1$

素因数の和:1713725

約数の個数: 48

約数和(自身を含む): 47933882136

約数和(自身を除く): 27918601976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 5840, 11680, 1713637, 3427274, 6854548, 8568185, 13709096, 17136370, 27418192, 34272740, 54836384, 68545480, 125095501, 137090960, 250191002, 274181920, 500382004, 625477505, 1000764008, 1250955010, 2001528016, 2501910020, 4003056032, 5003820040, 10007640080, 20015280160]

約数ペア:

[(1, 20015280160), (2, 10007640080), (4, 5003820040), (5, 4003056032), (8, 2501910020), (10, 2001528016), (16, 1250955010), (20, 1000764008), (32, 625477505), (40, 500382004), (73, 274181920), (80, 250191002), (146, 137090960), (160, 125095501), (292, 68545480), (365, 54836384), (584, 34272740), (730, 27418192), (1168, 17136370), (1460, 13709096), (2336, 8568185), (2920, 6854548), (5840, 3427274), (11680, 1713637)]