20112428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 26336212

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 31, 34, 47, 58, 62, 68, 94, 116, 119, 124, 188, 203, 217, 238, 329, 406, 434, 476, 493, 527, 658, 799, 812, 868, 899, 986, 1054, 1316, 1363, 1457, 1598, 1798, 1972, 2108, 2726, 2914, 3196, 3451, 3596, 3689, 5452, 5593, 5828, 6293, 6902, 7378, 9541, 10199, 11186, 12586, 13804, 14756, 15283, 19082, 20398, 22372, 23171, 24769, 25172, 30566, 38164, 40796, 42253, 46342, 49538, 61132, 84506, 92684, 99076, 106981, 162197, 169012, 173383, 213962, 295771, 324394, 346766, 427924, 591542, 648788, 693532, 718301, 1183084, 1436602, 2873204, 5028107, 10056214, 20112428]

約数ペア:

[(1, 20112428), (2, 10056214), (4, 5028107), (7, 2873204), (14, 1436602), (17, 1183084), (28, 718301), (29, 693532), (31, 648788), (34, 591542), (47, 427924), (58, 346766), (62, 324394), (68, 295771), (94, 213962), (116, 173383), (119, 169012), (124, 162197), (188, 106981), (203, 99076), (217, 92684), (238, 84506), (329, 61132), (406, 49538), (434, 46342), (476, 42253), (493, 40796), (527, 38164), (658, 30566), (799, 25172), (812, 24769), (868, 23171), (899, 22372), (986, 20398), (1054, 19082), (1316, 15283), (1363, 14756), (1457, 13804), (1598, 12586), (1798, 11186), (1972, 10199), (2108, 9541), (2726, 7378), (2914, 6902), (3196, 6293), (3451, 5828), (3596, 5593), (3689, 5452)]