20403748995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1073599}}^1$

素因数の和:1073795

約数の個数: 32

約数和(自身を含む): 37515878400

約数和(自身を除く): 17112129405

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 181, 543, 905, 1267, 2715, 3801, 6335, 19005, 1073599, 3220797, 5367995, 7515193, 16103985, 22545579, 37575965, 112727895, 194321419, 582964257, 971607095, 1360249933, 2914821285, 4080749799, 6801249665, 20403748995]

約数ペア:

[(1, 20403748995), (3, 6801249665), (5, 4080749799), (7, 2914821285), (15, 1360249933), (21, 971607095), (35, 582964257), (105, 194321419), (181, 112727895), (543, 37575965), (905, 22545579), (1267, 16103985), (2715, 7515193), (3801, 5367995), (6335, 3220797), (19005, 1073599)]