20286772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 20355788

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 107, 124, 139, 214, 278, 341, 428, 556, 682, 1177, 1364, 1529, 2354, 3058, 3317, 4309, 4708, 6116, 6634, 8618, 13268, 14873, 17236, 29746, 36487, 47399, 59492, 72974, 94798, 145948, 163603, 189596, 327206, 461063, 654412, 922126, 1844252, 5071693, 10143386, 20286772]

約数ペア:

[(1, 20286772), (2, 10143386), (4, 5071693), (11, 1844252), (22, 922126), (31, 654412), (44, 461063), (62, 327206), (107, 189596), (124, 163603), (139, 145948), (214, 94798), (278, 72974), (341, 59492), (428, 47399), (556, 36487), (682, 29746), (1177, 17236), (1364, 14873), (1529, 13268), (2354, 8618), (3058, 6634), (3317, 6116), (4309, 4708)]