20465505

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1453}}^1$

素因数の和:1777

約数の個数: 24

約数和(自身を含む): 35611368

約数和(自身を除く): 15145863

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1453, 1565, 2817, 4359, 4695, 7265, 13077, 14085, 21795, 65385, 454789, 1364367, 2273945, 4093101, 6821835, 20465505]

約数ペア:

[(1, 20465505), (3, 6821835), (5, 4093101), (9, 2273945), (15, 1364367), (45, 454789), (313, 65385), (939, 21795), (1453, 14085), (1565, 13077), (2817, 7265), (4359, 4695)]