20130465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 14394975

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 887, 1335, 1513, 2661, 4435, 4539, 7565, 13305, 15079, 22695, 45237, 75395, 78943, 226185, 236829, 394715, 1184145, 1342031, 4026093, 6710155, 20130465]

約数ペア:

[(1, 20130465), (3, 6710155), (5, 4026093), (15, 1342031), (17, 1184145), (51, 394715), (85, 236829), (89, 226185), (255, 78943), (267, 75395), (445, 45237), (887, 22695), (1335, 15079), (1513, 13305), (2661, 7565), (4435, 4539)]