20198207778

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{631}}^1\times {\mathrm{108877}}^1$

素因数の和:109527

約数の個数: 48

約数和(自身を含む): 47066652864

約数和(自身を除く): 26868445086

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 631, 1262, 1893, 3786, 4417, 8834, 13251, 26502, 30919, 61838, 92757, 108877, 185514, 217754, 326631, 653262, 762139, 1524278, 2286417, 4572834, 5334973, 10669946, 16004919, 32009838, 68701387, 137402774, 206104161, 412208322, 480909709, 961819418, 1442729127, 2885458254, 3366367963, 6732735926, 10099103889, 20198207778]

約数ペア:

[(1, 20198207778), (2, 10099103889), (3, 6732735926), (6, 3366367963), (7, 2885458254), (14, 1442729127), (21, 961819418), (42, 480909709), (49, 412208322), (98, 206104161), (147, 137402774), (294, 68701387), (631, 32009838), (1262, 16004919), (1893, 10669946), (3786, 5334973), (4417, 4572834), (8834, 2286417), (13251, 1524278), (26502, 762139), (30919, 653262), (61838, 326631), (92757, 217754), (108877, 185514)]