20259972

素因数分解:

$2^2\times 3^2\times {\mathrm{151}}^1\times {\mathrm{3727}}^1$

素因数の和:3888

約数の個数: 36

約数和(自身を含む): 51565696

約数和(自身を除く): 31305724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 151, 302, 453, 604, 906, 1359, 1812, 2718, 3727, 5436, 7454, 11181, 14908, 22362, 33543, 44724, 67086, 134172, 562777, 1125554, 1688331, 2251108, 3376662, 5064993, 6753324, 10129986, 20259972]

約数ペア:

[(1, 20259972), (2, 10129986), (3, 6753324), (4, 5064993), (6, 3376662), (9, 2251108), (12, 1688331), (18, 1125554), (36, 562777), (151, 134172), (302, 67086), (453, 44724), (604, 33543), (906, 22362), (1359, 14908), (1812, 11181), (2718, 7454), (3727, 5436)]