20849328

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2242

約数の個数: 60

約数和(自身を含む): 59247448

約数和(自身を除く): 38398120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2161, 2412, 3216, 4322, 4824, 6483, 8644, 9648, 12966, 17288, 19449, 25932, 34576, 38898, 51864, 77796, 103728, 144787, 155592, 289574, 311184, 434361, 579148, 868722, 1158296, 1303083, 1737444, 2316592, 2606166, 3474888, 5212332, 6949776, 10424664, 20849328]

約数ペア:

[(1, 20849328), (2, 10424664), (3, 6949776), (4, 5212332), (6, 3474888), (8, 2606166), (9, 2316592), (12, 1737444), (16, 1303083), (18, 1158296), (24, 868722), (36, 579148), (48, 434361), (67, 311184), (72, 289574), (134, 155592), (144, 144787), (201, 103728), (268, 77796), (402, 51864), (536, 38898), (603, 34576), (804, 25932), (1072, 19449), (1206, 17288), (1608, 12966), (2161, 9648), (2412, 8644), (3216, 6483), (4322, 4824)]