20495430

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25303}}^1$

素因数の和:25322

約数の個数: 40

約数和(自身を含む): 55112112

約数和(自身を除く): 34616682

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25303, 50606, 75909, 126515, 151818, 227727, 253030, 379545, 455454, 683181, 759090, 1138635, 1366362, 2049543, 2277270, 3415905, 4099086, 6831810, 10247715, 20495430]

約数ペア:

[(1, 20495430), (2, 10247715), (3, 6831810), (5, 4099086), (6, 3415905), (9, 2277270), (10, 2049543), (15, 1366362), (18, 1138635), (27, 759090), (30, 683181), (45, 455454), (54, 379545), (81, 253030), (90, 227727), (135, 151818), (162, 126515), (270, 75909), (405, 50606), (810, 25303)]