20056120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{863}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 32198600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 863, 1162, 1660, 1726, 2324, 2905, 3320, 3452, 4315, 4648, 5810, 6041, 6904, 8630, 11620, 12082, 17260, 23240, 24164, 30205, 34520, 48328, 60410, 71629, 120820, 143258, 241640, 286516, 358145, 501403, 573032, 716290, 1002806, 1432580, 2005612, 2507015, 2865160, 4011224, 5014030, 10028060, 20056120]

約数ペア:

[(1, 20056120), (2, 10028060), (4, 5014030), (5, 4011224), (7, 2865160), (8, 2507015), (10, 2005612), (14, 1432580), (20, 1002806), (28, 716290), (35, 573032), (40, 501403), (56, 358145), (70, 286516), (83, 241640), (140, 143258), (166, 120820), (280, 71629), (332, 60410), (415, 48328), (581, 34520), (664, 30205), (830, 24164), (863, 23240), (1162, 17260), (1660, 12082), (1726, 11620), (2324, 8630), (2905, 6904), (3320, 6041), (3452, 5810), (4315, 4648)]