20766871209

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{653}}^1\times {\mathrm{6791}}^1$

素因数の和:7677

約数の個数: 32

約数和(自身を含む): 31840026624

約数和(自身を除く): 11073155415

約数列:

[1, 3, 7, 21, 223, 653, 669, 1561, 1959, 4571, 4683, 6791, 13713, 20373, 47537, 142611, 145619, 436857, 1019333, 1514393, 3057999, 4434523, 4543179, 10600751, 13303569, 31041661, 31802253, 93124983, 988898629, 2966695887, 6922290403, 20766871209]

約数ペア:

[(1, 20766871209), (3, 6922290403), (7, 2966695887), (21, 988898629), (223, 93124983), (653, 31802253), (669, 31041661), (1561, 13303569), (1959, 10600751), (4571, 4543179), (4683, 4434523), (6791, 3057999), (13713, 1514393), (20373, 1019333), (47537, 436857), (142611, 145619)]