1620199408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2354941}}^1$

素因数の和:2354992

約数の個数: 20

約数和(自身を含む): 3212140888

約数和(自身を除く): 1591941480

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2354941, 4709882, 9419764, 18839528, 37679056, 101262463, 202524926, 405049852, 810099704, 1620199408]

約数ペア:

[(1, 1620199408), (2, 810099704), (4, 405049852), (8, 202524926), (16, 101262463), (43, 37679056), (86, 18839528), (172, 9419764), (344, 4709882), (688, 2354941)]