20188788230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2187301}}^1$

素因数の和:2187392

約数の個数: 32

約数和(自身を含む): 39686407488

約数和(自身を除く): 19497619258

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 2187301, 4374602, 10936505, 21873010, 28434913, 56869826, 142174565, 155298371, 284349130, 310596742, 776491855, 1552983710, 2018878823, 4037757646, 10094394115, 20188788230]

約数ペア:

[(1, 20188788230), (2, 10094394115), (5, 4037757646), (10, 2018878823), (13, 1552983710), (26, 776491855), (65, 310596742), (71, 284349130), (130, 155298371), (142, 142174565), (355, 56869826), (710, 28434913), (923, 21873010), (1846, 10936505), (4615, 4374602), (9230, 2187301)]