20468735

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 29970432

約数和(自身を除く): 9501697

約数列:

[1, 5, 7, 23, 35, 47, 115, 161, 235, 329, 541, 805, 1081, 1645, 2705, 3787, 5405, 7567, 12443, 18935, 25427, 37835, 62215, 87101, 127135, 177989, 435505, 584821, 889945, 2924105, 4093747, 20468735]

約数ペア:

[(1, 20468735), (5, 4093747), (7, 2924105), (23, 889945), (35, 584821), (47, 435505), (115, 177989), (161, 127135), (235, 87101), (329, 62215), (541, 37835), (805, 25427), (1081, 18935), (1645, 12443), (2705, 7567), (3787, 5405)]