20218392479

素因数分解:

${\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1\times {\mathrm{5437}}^1$

素因数の和:6470

約数の個数: 16

約数和(自身を含む): 21048975360

約数和(自身を除く): 830582881

約数列:

[1, 31, 139, 863, 4309, 5437, 26753, 119957, 168547, 755743, 3718667, 4692131, 23428033, 145456061, 652206209, 20218392479]

約数ペア:

[(1, 20218392479), (31, 652206209), (139, 145456061), (863, 23428033), (4309, 4692131), (5437, 3718667), (26753, 755743), (119957, 168547)]