20177891331

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{31469}}^1$

素因数の和:31927

約数の個数: 32

約数和(自身を含む): 29755010880

約数和(自身を除く): 9577119549

約数列:

[1, 3, 13, 39, 41, 123, 401, 533, 1203, 1599, 5213, 15639, 16441, 31469, 49323, 94407, 213733, 409097, 641199, 1227291, 1290229, 3870687, 12619069, 16772977, 37857207, 50318931, 164047897, 492143691, 517381829, 1552145487, 6725963777, 20177891331]

約数ペア:

[(1, 20177891331), (3, 6725963777), (13, 1552145487), (39, 517381829), (41, 492143691), (123, 164047897), (401, 50318931), (533, 37857207), (1203, 16772977), (1599, 12619069), (5213, 3870687), (15639, 1290229), (16441, 1227291), (31469, 641199), (49323, 409097), (94407, 213733)]