20218708930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{500587}}^1$

素因数の和:501178

約数の個数: 32

約数和(自身を含む): 41664940416

約数和(自身を除く): 21446231486

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 577, 1154, 2885, 4039, 5770, 8078, 20195, 40390, 500587, 1001174, 2502935, 3504109, 5005870, 7008218, 17520545, 35041090, 288838699, 577677398, 1444193495, 2021870893, 2888386990, 4043741786, 10109354465, 20218708930]

約数ペア:

[(1, 20218708930), (2, 10109354465), (5, 4043741786), (7, 2888386990), (10, 2021870893), (14, 1444193495), (35, 577677398), (70, 288838699), (577, 35041090), (1154, 17520545), (2885, 7008218), (4039, 5005870), (5770, 3504109), (8078, 2502935), (20195, 1001174), (40390, 500587)]