20404260863

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{19333}}^1$

素因数の和:19552

約数の個数: 32

約数和(自身を含む): 25335273600

約数和(自身を除く): 4931012737

約数列:

[1, 7, 17, 49, 119, 181, 343, 833, 1267, 3077, 5831, 8869, 19333, 21539, 62083, 135331, 150773, 328661, 947317, 1055411, 2300627, 3499273, 6631219, 16104389, 24494911, 59487641, 112730723, 171464377, 416413487, 1200250639, 2914894409, 20404260863]

約数ペア:

[(1, 20404260863), (7, 2914894409), (17, 1200250639), (49, 416413487), (119, 171464377), (181, 112730723), (343, 59487641), (833, 24494911), (1267, 16104389), (3077, 6631219), (5831, 3499273), (8869, 2300627), (19333, 1055411), (21539, 947317), (62083, 328661), (135331, 150773)]