20983848

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51431}}^1$

素因数の和:51457

約数の個数: 32

約数和(自身を含む): 55546560

約数和(自身を除く): 34562712

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51431, 102862, 154293, 205724, 308586, 411448, 617172, 874327, 1234344, 1748654, 2622981, 3497308, 5245962, 6994616, 10491924, 20983848]

約数ペア:

[(1, 20983848), (2, 10491924), (3, 6994616), (4, 5245962), (6, 3497308), (8, 2622981), (12, 1748654), (17, 1234344), (24, 874327), (34, 617172), (51, 411448), (68, 308586), (102, 205724), (136, 154293), (204, 102862), (408, 51431)]