20259376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 41876784

約数和(自身を除く): 21617408

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 211, 272, 353, 422, 706, 844, 1412, 1688, 2824, 3376, 3587, 5648, 6001, 7174, 12002, 14348, 24004, 28696, 48008, 57392, 74483, 96016, 148966, 297932, 595864, 1191728, 1266211, 2532422, 5064844, 10129688, 20259376]

約数ペア:

[(1, 20259376), (2, 10129688), (4, 5064844), (8, 2532422), (16, 1266211), (17, 1191728), (34, 595864), (68, 297932), (136, 148966), (211, 96016), (272, 74483), (353, 57392), (422, 48008), (706, 28696), (844, 24004), (1412, 14348), (1688, 12002), (2824, 7174), (3376, 6001), (3587, 5648)]