20564310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:877

約数の個数: 64

約数和(自身を含む): 54012672

約数和(自身を除く): 33448362

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 130, 134, 195, 201, 335, 390, 402, 670, 787, 871, 1005, 1574, 1742, 2010, 2361, 2613, 3935, 4355, 4722, 5226, 7870, 8710, 10231, 11805, 13065, 20462, 23610, 26130, 30693, 51155, 52729, 61386, 102310, 105458, 153465, 158187, 263645, 306930, 316374, 527290, 685477, 790935, 1370954, 1581870, 2056431, 3427385, 4112862, 6854770, 10282155, 20564310]

約数ペア:

[(1, 20564310), (2, 10282155), (3, 6854770), (5, 4112862), (6, 3427385), (10, 2056431), (13, 1581870), (15, 1370954), (26, 790935), (30, 685477), (39, 527290), (65, 316374), (67, 306930), (78, 263645), (130, 158187), (134, 153465), (195, 105458), (201, 102310), (335, 61386), (390, 52729), (402, 51155), (670, 30693), (787, 26130), (871, 23610), (1005, 20462), (1574, 13065), (1742, 11805), (2010, 10231), (2361, 8710), (2613, 7870), (3935, 5226), (4355, 4722)]