20343775280

素因数分解:

$2^4\times 5^1\times {\mathrm{6029}}^1\times {\mathrm{42179}}^1$

素因数の和:48221

約数の個数: 40

約数和(自身を含む): 47308244400

約数和(自身を除く): 26964469120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6029, 12058, 24116, 30145, 42179, 48232, 60290, 84358, 96464, 120580, 168716, 210895, 241160, 337432, 421790, 482320, 674864, 843580, 1687160, 3374320, 254297191, 508594382, 1017188764, 1271485955, 2034377528, 2542971910, 4068755056, 5085943820, 10171887640, 20343775280]

約数ペア:

[(1, 20343775280), (2, 10171887640), (4, 5085943820), (5, 4068755056), (8, 2542971910), (10, 2034377528), (16, 1271485955), (20, 1017188764), (40, 508594382), (80, 254297191), (6029, 3374320), (12058, 1687160), (24116, 843580), (30145, 674864), (42179, 482320), (48232, 421790), (60290, 337432), (84358, 241160), (96464, 210895), (120580, 168716)]