20038218560

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{754451}}^1$

素因数の和:754551

約数の個数: 56

約数和(自身を含む): 48290963616

約数和(自身を除く): 28252745056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 5312, 6640, 13280, 26560, 754451, 1508902, 3017804, 3772255, 6035608, 7544510, 12071216, 15089020, 24142432, 30178040, 48284864, 60356080, 62619433, 120712160, 125238866, 241424320, 250477732, 313097165, 500955464, 626194330, 1001910928, 1252388660, 2003821856, 2504777320, 4007643712, 5009554640, 10019109280, 20038218560]

約数ペア:

[(1, 20038218560), (2, 10019109280), (4, 5009554640), (5, 4007643712), (8, 2504777320), (10, 2003821856), (16, 1252388660), (20, 1001910928), (32, 626194330), (40, 500955464), (64, 313097165), (80, 250477732), (83, 241424320), (160, 125238866), (166, 120712160), (320, 62619433), (332, 60356080), (415, 48284864), (664, 30178040), (830, 24142432), (1328, 15089020), (1660, 12071216), (2656, 7544510), (3320, 6035608), (5312, 3772255), (6640, 3017804), (13280, 1508902), (26560, 754451)]