20090025

素因数分解:

$3^5\times 5^2\times {\mathrm{3307}}^1$

素因数の和:3332

約数の個数: 36

約数和(自身を含む): 37327472

約数和(自身を除く): 17237447

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 3307, 6075, 9921, 16535, 29763, 49605, 82675, 89289, 148815, 248025, 267867, 446445, 744075, 803601, 1339335, 2232225, 4018005, 6696675, 20090025]

約数ペア:

[(1, 20090025), (3, 6696675), (5, 4018005), (9, 2232225), (15, 1339335), (25, 803601), (27, 744075), (45, 446445), (75, 267867), (81, 248025), (135, 148815), (225, 89289), (243, 82675), (405, 49605), (675, 29763), (1215, 16535), (2025, 9921), (3307, 6075)]