20310495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3463}}^1$

素因数の和:3511

約数の個数: 32

約数和(自身を含む): 35914752

約数和(自身を除く): 15604257

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 3463, 5865, 10389, 17315, 51945, 58871, 79649, 176613, 238947, 294355, 398245, 883065, 1194735, 1354033, 4062099, 6770165, 20310495]

約数ペア:

[(1, 20310495), (3, 6770165), (5, 4062099), (15, 1354033), (17, 1194735), (23, 883065), (51, 398245), (69, 294355), (85, 238947), (115, 176613), (255, 79649), (345, 58871), (391, 51945), (1173, 17315), (1955, 10389), (3463, 5865)]