20655774204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{351217}}^1$

素因数の和:351279

約数の個数: 72

約数和(自身を含む): 53989230960

約数和(自身を除く): 33333456756

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 169, 174, 338, 348, 377, 507, 676, 754, 1014, 1131, 1508, 2028, 2262, 4524, 4901, 9802, 14703, 19604, 29406, 58812, 351217, 702434, 1053651, 1404868, 2107302, 4214604, 4565821, 9131642, 10185293, 13697463, 18263284, 20370586, 27394926, 30555879, 40741172, 54789852, 59355673, 61111758, 118711346, 122223516, 132408809, 178067019, 237422692, 264817618, 356134038, 397226427, 529635236, 712268076, 794452854, 1588905708, 1721314517, 3442629034, 5163943551, 6885258068, 10327887102, 20655774204]

約数ペア:

[(1, 20655774204), (2, 10327887102), (3, 6885258068), (4, 5163943551), (6, 3442629034), (12, 1721314517), (13, 1588905708), (26, 794452854), (29, 712268076), (39, 529635236), (52, 397226427), (58, 356134038), (78, 264817618), (87, 237422692), (116, 178067019), (156, 132408809), (169, 122223516), (174, 118711346), (338, 61111758), (348, 59355673), (377, 54789852), (507, 40741172), (676, 30555879), (754, 27394926), (1014, 20370586), (1131, 18263284), (1508, 13697463), (2028, 10185293), (2262, 9131642), (4524, 4565821), (4901, 4214604), (9802, 2107302), (14703, 1404868), (19604, 1053651), (29406, 702434), (58812, 351217)]