20981130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{36809}}^1$

素因数の和:36838

約数の個数: 32

約数和(自身を含む): 53006400

約数和(自身を除く): 32025270

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 36809, 73618, 110427, 184045, 220854, 368090, 552135, 699371, 1104270, 1398742, 2098113, 3496855, 4196226, 6993710, 10490565, 20981130]

約数ペア:

[(1, 20981130), (2, 10490565), (3, 6993710), (5, 4196226), (6, 3496855), (10, 2098113), (15, 1398742), (19, 1104270), (30, 699371), (38, 552135), (57, 368090), (95, 220854), (114, 184045), (190, 110427), (285, 73618), (570, 36809)]