20792816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 47044608

約数和(自身を除く): 26251792

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 37, 44, 62, 74, 88, 103, 124, 148, 176, 206, 248, 296, 341, 407, 412, 496, 592, 682, 814, 824, 1133, 1147, 1364, 1628, 1648, 2266, 2294, 2728, 3193, 3256, 3811, 4532, 4588, 5456, 6386, 6512, 7622, 9064, 9176, 12617, 12772, 15244, 18128, 18352, 25234, 25544, 30488, 35123, 41921, 50468, 51088, 60976, 70246, 83842, 100936, 118141, 140492, 167684, 201872, 236282, 280984, 335368, 472564, 561968, 670736, 945128, 1299551, 1890256, 2599102, 5198204, 10396408, 20792816]

約数ペア:

[(1, 20792816), (2, 10396408), (4, 5198204), (8, 2599102), (11, 1890256), (16, 1299551), (22, 945128), (31, 670736), (37, 561968), (44, 472564), (62, 335368), (74, 280984), (88, 236282), (103, 201872), (124, 167684), (148, 140492), (176, 118141), (206, 100936), (248, 83842), (296, 70246), (341, 60976), (407, 51088), (412, 50468), (496, 41921), (592, 35123), (682, 30488), (814, 25544), (824, 25234), (1133, 18352), (1147, 18128), (1364, 15244), (1628, 12772), (1648, 12617), (2266, 9176), (2294, 9064), (2728, 7622), (3193, 6512), (3256, 6386), (3811, 5456), (4532, 4588)]