23019020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 28872820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 857, 1343, 1580, 1714, 2686, 3428, 4285, 5372, 6715, 8570, 13430, 14569, 17140, 26860, 29138, 58276, 67703, 72845, 135406, 145690, 270812, 291380, 338515, 677030, 1150951, 1354060, 2301902, 4603804, 5754755, 11509510, 23019020]

約数ペア:

[(1, 23019020), (2, 11509510), (4, 5754755), (5, 4603804), (10, 2301902), (17, 1354060), (20, 1150951), (34, 677030), (68, 338515), (79, 291380), (85, 270812), (158, 145690), (170, 135406), (316, 72845), (340, 67703), (395, 58276), (790, 29138), (857, 26860), (1343, 17140), (1580, 14569), (1714, 13430), (2686, 8570), (3428, 6715), (4285, 5372)]