20284072

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 39427200

約数和(自身を除く): 19143128

約数列:

[1, 2, 4, 8, 47, 73, 94, 146, 188, 292, 376, 584, 739, 1478, 2956, 3431, 5912, 6862, 13724, 27448, 34733, 53947, 69466, 107894, 138932, 215788, 277864, 431576, 2535509, 5071018, 10142036, 20284072]

約数ペア:

[(1, 20284072), (2, 10142036), (4, 5071018), (8, 2535509), (47, 431576), (73, 277864), (94, 215788), (146, 138932), (188, 107894), (292, 69466), (376, 53947), (584, 34733), (739, 27448), (1478, 13724), (2956, 6862), (3431, 5912)]