20611878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 49116672

約数和(自身を除く): 28504794

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 101, 113, 129, 202, 226, 258, 301, 303, 339, 602, 606, 678, 707, 791, 903, 1414, 1582, 1806, 2121, 2373, 4242, 4343, 4746, 4859, 8686, 9718, 11413, 13029, 14577, 22826, 26058, 29154, 30401, 34013, 34239, 60802, 68026, 68478, 79891, 91203, 102039, 159782, 182406, 204078, 239673, 479346, 490759, 981518, 1472277, 2944554, 3435313, 6870626, 10305939, 20611878]

約数ペア:

[(1, 20611878), (2, 10305939), (3, 6870626), (6, 3435313), (7, 2944554), (14, 1472277), (21, 981518), (42, 490759), (43, 479346), (86, 239673), (101, 204078), (113, 182406), (129, 159782), (202, 102039), (226, 91203), (258, 79891), (301, 68478), (303, 68026), (339, 60802), (602, 34239), (606, 34013), (678, 30401), (707, 29154), (791, 26058), (903, 22826), (1414, 14577), (1582, 13029), (1806, 11413), (2121, 9718), (2373, 8686), (4242, 4859), (4343, 4746)]