20654835

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 34940928

約数和(自身を除く): 14286093

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1033, 1333, 3099, 3999, 5165, 6665, 15495, 19995, 32023, 44419, 96069, 133257, 160115, 222095, 480345, 666285, 1376989, 4130967, 6884945, 20654835]

約数ペア:

[(1, 20654835), (3, 6884945), (5, 4130967), (15, 1376989), (31, 666285), (43, 480345), (93, 222095), (129, 160115), (155, 133257), (215, 96069), (465, 44419), (645, 32023), (1033, 19995), (1333, 15495), (3099, 6665), (3999, 5165)]