20373262

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 40771584

約数和(自身を除く): 20398322

約数列:

[1, 2, 7, 13, 14, 23, 26, 31, 46, 62, 91, 157, 161, 182, 217, 299, 314, 322, 403, 434, 598, 713, 806, 1099, 1426, 2041, 2093, 2198, 2821, 3611, 4082, 4186, 4867, 4991, 5642, 7222, 9269, 9734, 9982, 14287, 18538, 25277, 28574, 34069, 46943, 50554, 63271, 64883, 68138, 93886, 111941, 126542, 129766, 223882, 328601, 442897, 657202, 783587, 885794, 1455233, 1567174, 2910466, 10186631, 20373262]

約数ペア:

[(1, 20373262), (2, 10186631), (7, 2910466), (13, 1567174), (14, 1455233), (23, 885794), (26, 783587), (31, 657202), (46, 442897), (62, 328601), (91, 223882), (157, 129766), (161, 126542), (182, 111941), (217, 93886), (299, 68138), (314, 64883), (322, 63271), (403, 50554), (434, 46943), (598, 34069), (713, 28574), (806, 25277), (1099, 18538), (1426, 14287), (2041, 9982), (2093, 9734), (2198, 9269), (2821, 7222), (3611, 5642), (4082, 4991), (4186, 4867)]