20179946480

素因数分解:

$2^4\times 5^1\times {\mathrm{13151}}^1\times {\mathrm{19181}}^1$

素因数の和:32345

約数の個数: 40

約数和(自身を含む): 46924389504

約数和(自身を除く): 26744443024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13151, 19181, 26302, 38362, 52604, 65755, 76724, 95905, 105208, 131510, 153448, 191810, 210416, 263020, 306896, 383620, 526040, 767240, 1052080, 1534480, 252249331, 504498662, 1008997324, 1261246655, 2017994648, 2522493310, 4035989296, 5044986620, 10089973240, 20179946480]

約数ペア:

[(1, 20179946480), (2, 10089973240), (4, 5044986620), (5, 4035989296), (8, 2522493310), (10, 2017994648), (16, 1261246655), (20, 1008997324), (40, 504498662), (80, 252249331), (13151, 1534480), (19181, 1052080), (26302, 767240), (38362, 526040), (52604, 383620), (65755, 306896), (76724, 263020), (95905, 210416), (105208, 191810), (131510, 153448)]