20155070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{787}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 39318048

約数和(自身を除く): 19162978

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 787, 985, 1574, 1970, 2561, 3935, 5122, 7870, 10231, 12805, 20462, 25610, 51155, 102310, 155039, 310078, 775195, 1550390, 2015507, 4031014, 10077535, 20155070]

約数ペア:

[(1, 20155070), (2, 10077535), (5, 4031014), (10, 2015507), (13, 1550390), (26, 775195), (65, 310078), (130, 155039), (197, 102310), (394, 51155), (787, 25610), (985, 20462), (1574, 12805), (1970, 10231), (2561, 7870), (3935, 5122)]