20302515

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1489}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 36475200

約数和(自身を除く): 16172685

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1489, 1515, 2727, 4467, 4545, 7445, 13401, 13635, 22335, 40203, 67005, 150389, 201015, 451167, 751945, 1353501, 2255835, 4060503, 6767505, 20302515]

約数ペア:

[(1, 20302515), (3, 6767505), (5, 4060503), (9, 2255835), (15, 1353501), (27, 751945), (45, 451167), (101, 201015), (135, 150389), (303, 67005), (505, 40203), (909, 22335), (1489, 13635), (1515, 13401), (2727, 7445), (4467, 4545)]