20786692005

素因数分解:

$3^2\times 5^1\times {\mathrm{8263}}^1\times {\mathrm{55903}}^1$

素因数の和:64177

約数の個数: 24

約数和(自身を含む): 36035271168

約数和(自身を除く): 15248579163

約数列:

[1, 3, 5, 9, 15, 45, 8263, 24789, 41315, 55903, 74367, 123945, 167709, 279515, 371835, 503127, 838545, 2515635, 461926489, 1385779467, 2309632445, 4157338401, 6928897335, 20786692005]

約数ペア:

[(1, 20786692005), (3, 6928897335), (5, 4157338401), (9, 2309632445), (15, 1385779467), (45, 461926489), (8263, 2515635), (24789, 838545), (41315, 503127), (55903, 371835), (74367, 279515), (123945, 167709)]