20463512

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 41776560

約数和(自身を除く): 21313048

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 167, 212, 289, 334, 424, 578, 668, 901, 1156, 1336, 1802, 2312, 2839, 3604, 5678, 7208, 8851, 11356, 15317, 17702, 22712, 30634, 35404, 48263, 61268, 70808, 96526, 122536, 150467, 193052, 300934, 386104, 601868, 1203736, 2557939, 5115878, 10231756, 20463512]

約数ペア:

[(1, 20463512), (2, 10231756), (4, 5115878), (8, 2557939), (17, 1203736), (34, 601868), (53, 386104), (68, 300934), (106, 193052), (136, 150467), (167, 122536), (212, 96526), (289, 70808), (334, 61268), (424, 48263), (578, 35404), (668, 30634), (901, 22712), (1156, 17702), (1336, 15317), (1802, 11356), (2312, 8851), (2839, 7208), (3604, 5678)]