20187329541

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1\times {\mathrm{4547}}^1$

素因数の和:5161

約数の個数: 32

約数和(自身を含む): 28700863488

約数和(自身を除く): 8513533947

約数列:

[1, 3, 17, 51, 263, 331, 789, 993, 4471, 4547, 5627, 13413, 13641, 16881, 77299, 87053, 231897, 261159, 1195861, 1479901, 1505057, 3587583, 4439703, 4515171, 20329637, 25585969, 60988911, 76757907, 395829991, 1187489973, 6729109847, 20187329541]

約数ペア:

[(1, 20187329541), (3, 6729109847), (17, 1187489973), (51, 395829991), (263, 76757907), (331, 60988911), (789, 25585969), (993, 20329637), (4471, 4515171), (4547, 4439703), (5627, 3587583), (13413, 1505057), (13641, 1479901), (16881, 1195861), (77299, 261159), (87053, 231897)]