20395380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1093}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 57343104

約数和(自身を除く): 36947724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 622, 933, 1093, 1244, 1555, 1866, 2186, 3110, 3279, 3732, 4372, 4665, 5465, 6220, 6558, 9330, 10930, 13116, 16395, 18660, 21860, 32790, 65580, 339923, 679846, 1019769, 1359692, 1699615, 2039538, 3399230, 4079076, 5098845, 6798460, 10197690, 20395380]

約数ペア:

[(1, 20395380), (2, 10197690), (3, 6798460), (4, 5098845), (5, 4079076), (6, 3399230), (10, 2039538), (12, 1699615), (15, 1359692), (20, 1019769), (30, 679846), (60, 339923), (311, 65580), (622, 32790), (933, 21860), (1093, 18660), (1244, 16395), (1555, 13116), (1866, 10930), (2186, 9330), (3110, 6558), (3279, 6220), (3732, 5465), (4372, 4665)]