20579091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 30750720

約数和(自身を除く): 10171629

約数列:

[1, 3, 13, 39, 47, 103, 109, 141, 309, 327, 611, 1339, 1417, 1833, 4017, 4251, 4841, 5123, 11227, 14523, 15369, 33681, 62933, 66599, 145951, 188799, 199797, 437853, 527669, 1583007, 6859697, 20579091]

約数ペア:

[(1, 20579091), (3, 6859697), (13, 1583007), (39, 527669), (47, 437853), (103, 199797), (109, 188799), (141, 145951), (309, 66599), (327, 62933), (611, 33681), (1339, 15369), (1417, 14523), (1833, 11227), (4017, 5123), (4251, 4841)]