20872936

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9091}}^1$

素因数の和:9145

約数の個数: 32

約数和(自身を含む): 45823680

約数和(自身を除く): 24950744

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9091, 18182, 36364, 63637, 72728, 127274, 254548, 372731, 509096, 745462, 1490924, 2609117, 2981848, 5218234, 10436468, 20872936]

約数ペア:

[(1, 20872936), (2, 10436468), (4, 5218234), (7, 2981848), (8, 2609117), (14, 1490924), (28, 745462), (41, 509096), (56, 372731), (82, 254548), (164, 127274), (287, 72728), (328, 63637), (574, 36364), (1148, 18182), (2296, 9091)]