20332390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 40555728

約数和(自身を除く): 20223338

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 227, 265, 338, 454, 530, 689, 845, 1135, 1378, 1690, 2270, 2951, 3445, 5902, 6890, 8957, 12031, 14755, 17914, 24062, 29510, 38363, 44785, 60155, 76726, 89570, 120310, 156403, 191815, 312806, 383630, 782015, 1564030, 2033239, 4066478, 10166195, 20332390]

約数ペア:

[(1, 20332390), (2, 10166195), (5, 4066478), (10, 2033239), (13, 1564030), (26, 782015), (53, 383630), (65, 312806), (106, 191815), (130, 156403), (169, 120310), (227, 89570), (265, 76726), (338, 60155), (454, 44785), (530, 38363), (689, 29510), (845, 24062), (1135, 17914), (1378, 14755), (1690, 12031), (2270, 8957), (2951, 6890), (3445, 5902)]