20135505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^4\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 40

約数和(自身を含む): 35644032

約数和(自身を除く): 15508527

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 169, 195, 235, 507, 611, 705, 845, 1833, 2197, 2535, 3055, 6591, 7943, 9165, 10985, 23829, 28561, 32955, 39715, 85683, 103259, 119145, 142805, 309777, 428415, 516295, 1342367, 1548885, 4027101, 6711835, 20135505]

約数ペア:

[(1, 20135505), (3, 6711835), (5, 4027101), (13, 1548885), (15, 1342367), (39, 516295), (47, 428415), (65, 309777), (141, 142805), (169, 119145), (195, 103259), (235, 85683), (507, 39715), (611, 32955), (705, 28561), (845, 23829), (1833, 10985), (2197, 9165), (2535, 7943), (3055, 6591)]