20792224

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1033}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 44557128

約数和(自身を除く): 23764904

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 68, 74, 136, 148, 272, 296, 544, 592, 629, 1033, 1184, 1258, 2066, 2516, 4132, 5032, 8264, 10064, 16528, 17561, 20128, 33056, 35122, 38221, 70244, 76442, 140488, 152884, 280976, 305768, 561952, 611536, 649757, 1223072, 1299514, 2599028, 5198056, 10396112, 20792224]

約数ペア:

[(1, 20792224), (2, 10396112), (4, 5198056), (8, 2599028), (16, 1299514), (17, 1223072), (32, 649757), (34, 611536), (37, 561952), (68, 305768), (74, 280976), (136, 152884), (148, 140488), (272, 76442), (296, 70244), (544, 38221), (592, 35122), (629, 33056), (1033, 20128), (1184, 17561), (1258, 16528), (2066, 10064), (2516, 8264), (4132, 5032)]