20863065

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 13683111

約数列:

[1, 3, 5, 15, 47, 101, 141, 235, 293, 303, 505, 705, 879, 1465, 1515, 4395, 4747, 13771, 14241, 23735, 29593, 41313, 68855, 71205, 88779, 147965, 206565, 443895, 1390871, 4172613, 6954355, 20863065]

約数ペア:

[(1, 20863065), (3, 6954355), (5, 4172613), (15, 1390871), (47, 443895), (101, 206565), (141, 147965), (235, 88779), (293, 71205), (303, 68855), (505, 41313), (705, 29593), (879, 23735), (1465, 14241), (1515, 13771), (4395, 4747)]