20542886

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2753}}^1$

素因数の和:2816

約数の個数: 32

約数和(自身を含む): 38864448

約数和(自身を除く): 18321562

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 2753, 3731, 5506, 7462, 19271, 35789, 38542, 71578, 112873, 225746, 250523, 501046, 790111, 1467349, 1580222, 2934698, 10271443, 20542886]

約数ペア:

[(1, 20542886), (2, 10271443), (7, 2934698), (13, 1580222), (14, 1467349), (26, 790111), (41, 501046), (82, 250523), (91, 225746), (182, 112873), (287, 71578), (533, 38542), (574, 35789), (1066, 19271), (2753, 7462), (3731, 5506)]