20270348

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 42169344

約数和(自身を除く): 21898996

約数列:

[1, 2, 4, 7, 14, 28, 47, 73, 94, 146, 188, 211, 292, 329, 422, 511, 658, 844, 1022, 1316, 1477, 2044, 2954, 3431, 5908, 6862, 9917, 13724, 15403, 19834, 24017, 30806, 39668, 48034, 61612, 69419, 96068, 107821, 138838, 215642, 277676, 431284, 723941, 1447882, 2895764, 5067587, 10135174, 20270348]

約数ペア:

[(1, 20270348), (2, 10135174), (4, 5067587), (7, 2895764), (14, 1447882), (28, 723941), (47, 431284), (73, 277676), (94, 215642), (146, 138838), (188, 107821), (211, 96068), (292, 69419), (329, 61612), (422, 48034), (511, 39668), (658, 30806), (844, 24017), (1022, 19834), (1316, 15403), (1477, 13724), (2044, 9917), (2954, 6862), (3431, 5908)]