20565245898

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{577}}^1\times {\mathrm{28697}}^1$

素因数の和:29308

約数の個数: 64

約数和(自身を含む): 47771838720

約数和(自身を除く): 27206592822

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 577, 621, 1154, 1242, 1731, 3462, 5193, 10386, 13271, 15579, 26542, 28697, 31158, 39813, 57394, 79626, 86091, 119439, 172182, 238878, 258273, 358317, 516546, 660031, 716634, 774819, 1320062, 1549638, 1980093, 3960186, 5940279, 11880558, 16558169, 17820837, 33116338, 35641674, 49674507, 99349014, 149023521, 298047042, 380837887, 447070563, 761675774, 894141126, 1142513661, 2285027322, 3427540983, 6855081966, 10282622949, 20565245898]

約数ペア:

[(1, 20565245898), (2, 10282622949), (3, 6855081966), (6, 3427540983), (9, 2285027322), (18, 1142513661), (23, 894141126), (27, 761675774), (46, 447070563), (54, 380837887), (69, 298047042), (138, 149023521), (207, 99349014), (414, 49674507), (577, 35641674), (621, 33116338), (1154, 17820837), (1242, 16558169), (1731, 11880558), (3462, 5940279), (5193, 3960186), (10386, 1980093), (13271, 1549638), (15579, 1320062), (26542, 774819), (28697, 716634), (31158, 660031), (39813, 516546), (57394, 358317), (79626, 258273), (86091, 238878), (119439, 172182)]