20906772

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 51566592

約数和(自身を除く): 30659820

約数列:

[1, 2, 3, 4, 6, 12, 31, 43, 62, 86, 93, 124, 129, 172, 186, 258, 372, 516, 1307, 1333, 2614, 2666, 3921, 3999, 5228, 5332, 7842, 7998, 15684, 15996, 40517, 56201, 81034, 112402, 121551, 162068, 168603, 224804, 243102, 337206, 486204, 674412, 1742231, 3484462, 5226693, 6968924, 10453386, 20906772]

約数ペア:

[(1, 20906772), (2, 10453386), (3, 6968924), (4, 5226693), (6, 3484462), (12, 1742231), (31, 674412), (43, 486204), (62, 337206), (86, 243102), (93, 224804), (124, 168603), (129, 162068), (172, 121551), (186, 112402), (258, 81034), (372, 56201), (516, 40517), (1307, 15996), (1333, 15684), (2614, 7998), (2666, 7842), (3921, 5332), (3999, 5228)]