20209532

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42457}}^1$

素因数の和:42485

約数の個数: 24

約数和(自身を含む): 42797664

約数和(自身を除く): 22588132

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42457, 84914, 169828, 297199, 594398, 721769, 1188796, 1443538, 2887076, 5052383, 10104766, 20209532]

約数ペア:

[(1, 20209532), (2, 10104766), (4, 5052383), (7, 2887076), (14, 1443538), (17, 1188796), (28, 721769), (34, 594398), (68, 297199), (119, 169828), (238, 84914), (476, 42457)]