20199931948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{50923}}^1$

素因数の和:51422

約数の個数: 48

約数和(自身を含む): 41795160064

約数和(自身を除く): 21595228116

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 457, 868, 914, 1828, 3199, 6398, 12796, 14167, 28334, 50923, 56668, 99169, 101846, 198338, 203692, 356461, 396676, 712922, 1425844, 1578613, 3157226, 6314452, 11050291, 22100582, 23271811, 44201164, 46543622, 93087244, 162902677, 325805354, 651610708, 721426141, 1442852282, 2885704564, 5049982987, 10099965974, 20199931948]

約数ペア:

[(1, 20199931948), (2, 10099965974), (4, 5049982987), (7, 2885704564), (14, 1442852282), (28, 721426141), (31, 651610708), (62, 325805354), (124, 162902677), (217, 93087244), (434, 46543622), (457, 44201164), (868, 23271811), (914, 22100582), (1828, 11050291), (3199, 6314452), (6398, 3157226), (12796, 1578613), (14167, 1425844), (28334, 712922), (50923, 396676), (56668, 356461), (99169, 203692), (101846, 198338)]