20342130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1381}}^1$

素因数の和:1882

約数の個数: 32

約数和(自身を含む): 48955968

約数和(自身を除く): 28613838

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 491, 982, 1381, 1473, 2455, 2762, 2946, 4143, 4910, 6905, 7365, 8286, 13810, 14730, 20715, 41430, 678071, 1356142, 2034213, 3390355, 4068426, 6780710, 10171065, 20342130]

約数ペア:

[(1, 20342130), (2, 10171065), (3, 6780710), (5, 4068426), (6, 3390355), (10, 2034213), (15, 1356142), (30, 678071), (491, 41430), (982, 20715), (1381, 14730), (1473, 13810), (2455, 8286), (2762, 7365), (2946, 6905), (4143, 4910)]