20317635

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 41713056

約数和(自身を除く): 21395421

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 81, 85, 117, 135, 153, 195, 221, 227, 255, 351, 405, 459, 585, 663, 681, 765, 1053, 1105, 1135, 1377, 1755, 1989, 2043, 2295, 2951, 3315, 3405, 3859, 5265, 5967, 6129, 6885, 8853, 9945, 10215, 11577, 14755, 17901, 18387, 19295, 26559, 29835, 30645, 34731, 44265, 50167, 57885, 79677, 89505, 91935, 104193, 132795, 150501, 173655, 239031, 250835, 312579, 398385, 451503, 520965, 752505, 1195155, 1354509, 1562895, 2257515, 4063527, 6772545, 20317635]

約数ペア:

[(1, 20317635), (3, 6772545), (5, 4063527), (9, 2257515), (13, 1562895), (15, 1354509), (17, 1195155), (27, 752505), (39, 520965), (45, 451503), (51, 398385), (65, 312579), (81, 250835), (85, 239031), (117, 173655), (135, 150501), (153, 132795), (195, 104193), (221, 91935), (227, 89505), (255, 79677), (351, 57885), (405, 50167), (459, 44265), (585, 34731), (663, 30645), (681, 29835), (765, 26559), (1053, 19295), (1105, 18387), (1135, 17901), (1377, 14755), (1755, 11577), (1989, 10215), (2043, 9945), (2295, 8853), (2951, 6885), (3315, 6129), (3405, 5967), (3859, 5265)]