20406989410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1153589}}^1$

素因数の和:1153686

約数の個数: 32

約数和(自身を含む): 38622193200

約数和(自身を除く): 18215203790

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 8845, 17690, 1153589, 2307178, 5767945, 11535890, 33454081, 66908162, 70368929, 140737858, 167270405, 334540810, 351844645, 703689290, 2040698941, 4081397882, 10203494705, 20406989410]

約数ペア:

[(1, 20406989410), (2, 10203494705), (5, 4081397882), (10, 2040698941), (29, 703689290), (58, 351844645), (61, 334540810), (122, 167270405), (145, 140737858), (290, 70368929), (305, 66908162), (610, 33454081), (1769, 11535890), (3538, 5767945), (8845, 2307178), (17690, 1153589)]