20962564

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 45384192

約数和(自身を除く): 24421628

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 329, 476, 658, 799, 937, 1316, 1598, 1874, 3196, 3748, 5593, 6559, 11186, 13118, 15929, 22372, 26236, 31858, 44039, 63716, 88078, 111503, 176156, 223006, 308273, 446012, 616546, 748663, 1233092, 1497326, 2994652, 5240641, 10481282, 20962564]

約数ペア:

[(1, 20962564), (2, 10481282), (4, 5240641), (7, 2994652), (14, 1497326), (17, 1233092), (28, 748663), (34, 616546), (47, 446012), (68, 308273), (94, 223006), (119, 176156), (188, 111503), (238, 88078), (329, 63716), (476, 44039), (658, 31858), (799, 26236), (937, 22372), (1316, 15929), (1598, 13118), (1874, 11186), (3196, 6559), (3748, 5593)]