20255532011

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{5297}}^1$

素因数の和:5373

約数の個数: 48

約数和(自身を含む): 25549159968

約数和(自身を除く): 5293627957

約数列:

[1, 11, 13, 17, 121, 143, 169, 187, 221, 1331, 1573, 1859, 2057, 2431, 2873, 5297, 17303, 20449, 22627, 26741, 31603, 58267, 68861, 90049, 224939, 294151, 347633, 640937, 757471, 895193, 990539, 1170637, 3823963, 7050307, 8332181, 9847123, 10895929, 12877007, 15218281, 91653991, 108318353, 119855219, 141647077, 167401091, 1191501883, 1558117847, 1841412001, 20255532011]

約数ペア:

[(1, 20255532011), (11, 1841412001), (13, 1558117847), (17, 1191501883), (121, 167401091), (143, 141647077), (169, 119855219), (187, 108318353), (221, 91653991), (1331, 15218281), (1573, 12877007), (1859, 10895929), (2057, 9847123), (2431, 8332181), (2873, 7050307), (5297, 3823963), (17303, 1170637), (20449, 990539), (22627, 895193), (26741, 757471), (31603, 640937), (58267, 347633), (68861, 294151), (90049, 224939)]