20137029

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 31325184

約数和(自身を除く): 11188155

約数列:

[1, 3, 11, 23, 33, 43, 69, 129, 253, 473, 617, 759, 989, 1419, 1851, 2967, 6787, 10879, 14191, 20361, 26531, 32637, 42573, 79593, 156101, 291841, 468303, 610213, 875523, 1830639, 6712343, 20137029]

約数ペア:

[(1, 20137029), (3, 6712343), (11, 1830639), (23, 875523), (33, 610213), (43, 468303), (69, 291841), (129, 156101), (253, 79593), (473, 42573), (617, 32637), (759, 26531), (989, 20361), (1419, 14191), (1851, 10879), (2967, 6787)]