20081570564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1\times {\mathrm{17047}}^1$

素因数の和:17756

約数の個数: 48

約数和(自身を含む): 39335054976

約数和(自身を除く): 19253484412

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 653, 902, 1306, 1804, 2612, 7183, 14366, 17047, 26773, 28732, 34094, 53546, 68188, 107092, 187517, 294503, 375034, 589006, 698927, 750068, 1178012, 1397854, 2795708, 7688197, 11131691, 15376394, 22263382, 30752788, 44526764, 122448601, 244897202, 456399331, 489794404, 912798662, 1825597324, 5020392641, 10040785282, 20081570564]

約数ペア:

[(1, 20081570564), (2, 10040785282), (4, 5020392641), (11, 1825597324), (22, 912798662), (41, 489794404), (44, 456399331), (82, 244897202), (164, 122448601), (451, 44526764), (653, 30752788), (902, 22263382), (1306, 15376394), (1804, 11131691), (2612, 7688197), (7183, 2795708), (14366, 1397854), (17047, 1178012), (26773, 750068), (28732, 698927), (34094, 589006), (53546, 375034), (68188, 294503), (107092, 187517)]