20512101516

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{84533}}^1$

素因数の和:84890

約数の個数: 48

約数和(自身を含む): 48692936544

約数和(自身を除く): 28180835028

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 277, 292, 438, 554, 831, 876, 1108, 1662, 3324, 20221, 40442, 60663, 80884, 84533, 121326, 169066, 242652, 253599, 338132, 507198, 1014396, 6170909, 12341818, 18512727, 23415641, 24683636, 37025454, 46831282, 70246923, 74050908, 93662564, 140493846, 280987692, 1709341793, 3418683586, 5128025379, 6837367172, 10256050758, 20512101516]

約数ペア:

[(1, 20512101516), (2, 10256050758), (3, 6837367172), (4, 5128025379), (6, 3418683586), (12, 1709341793), (73, 280987692), (146, 140493846), (219, 93662564), (277, 74050908), (292, 70246923), (438, 46831282), (554, 37025454), (831, 24683636), (876, 23415641), (1108, 18512727), (1662, 12341818), (3324, 6170909), (20221, 1014396), (40442, 507198), (60663, 338132), (80884, 253599), (84533, 242652), (121326, 169066)]