20859952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1525

約数の個数: 40

約数和(自身を含む): 43631136

約数和(自身を除く): 22771184

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1447, 1802, 2894, 3604, 5788, 7208, 11576, 14416, 23152, 24599, 49198, 76691, 98396, 153382, 196792, 306764, 393584, 613528, 1227056, 1303747, 2607494, 5214988, 10429976, 20859952]

約数ペア:

[(1, 20859952), (2, 10429976), (4, 5214988), (8, 2607494), (16, 1303747), (17, 1227056), (34, 613528), (53, 393584), (68, 306764), (106, 196792), (136, 153382), (212, 98396), (272, 76691), (424, 49198), (848, 24599), (901, 23152), (1447, 14416), (1802, 11576), (2894, 7208), (3604, 5788)]