20826390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53401}}^1$

素因数の和:53424

約数の個数: 32

約数和(自身を含む): 53829216

約数和(自身を除く): 33002826

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53401, 106802, 160203, 267005, 320406, 534010, 694213, 801015, 1388426, 1602030, 2082639, 3471065, 4165278, 6942130, 10413195, 20826390]

約数ペア:

[(1, 20826390), (2, 10413195), (3, 6942130), (5, 4165278), (6, 3471065), (10, 2082639), (13, 1602030), (15, 1388426), (26, 801015), (30, 694213), (39, 534010), (65, 320406), (78, 267005), (130, 160203), (195, 106802), (390, 53401)]