20172215564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1\times {\mathrm{1429}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 37374136800

約数和(自身を除く): 17201921236

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 661, 1124, 1322, 1429, 2644, 2858, 5339, 5716, 10678, 12559, 21356, 25118, 27151, 50236, 54302, 108604, 185741, 371482, 401549, 742964, 803098, 944569, 1606196, 1889138, 3529079, 3778276, 7058158, 7629431, 14116316, 15258862, 17946811, 30517724, 35893622, 71787244, 265423889, 530847778, 1061695556, 5043053891, 10086107782, 20172215564]

約数ペア:

[(1, 20172215564), (2, 10086107782), (4, 5043053891), (19, 1061695556), (38, 530847778), (76, 265423889), (281, 71787244), (562, 35893622), (661, 30517724), (1124, 17946811), (1322, 15258862), (1429, 14116316), (2644, 7629431), (2858, 7058158), (5339, 3778276), (5716, 3529079), (10678, 1889138), (12559, 1606196), (21356, 944569), (25118, 803098), (27151, 742964), (50236, 401549), (54302, 371482), (108604, 185741)]