20218432

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1323

約数の個数: 56

約数和(自身を含む): 45516800

約数和(自身を除く): 25298368

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1279, 1976, 2558, 3952, 5116, 7904, 10232, 15808, 16627, 20464, 24301, 33254, 40928, 48602, 66508, 81856, 97204, 133016, 194408, 266032, 315913, 388816, 532064, 631826, 777632, 1064128, 1263652, 1555264, 2527304, 5054608, 10109216, 20218432]

約数ペア:

[(1, 20218432), (2, 10109216), (4, 5054608), (8, 2527304), (13, 1555264), (16, 1263652), (19, 1064128), (26, 777632), (32, 631826), (38, 532064), (52, 388816), (64, 315913), (76, 266032), (104, 194408), (152, 133016), (208, 97204), (247, 81856), (304, 66508), (416, 48602), (494, 40928), (608, 33254), (832, 24301), (988, 20464), (1216, 16627), (1279, 15808), (1976, 10232), (2558, 7904), (3952, 5116)]