20790742440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13327399}}^1$

素因数の和:13327426

約数の個数: 64

約数和(自身を含む): 67170096000

約数和(自身を除く): 46379353560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13327399, 26654798, 39982197, 53309596, 66636995, 79964394, 106619192, 133273990, 159928788, 173256187, 199910985, 266547980, 319857576, 346512374, 399821970, 519768561, 533095960, 693024748, 799643940, 866280935, 1039537122, 1386049496, 1599287880, 1732561870, 2079074244, 2598842805, 3465123740, 4158148488, 5197685610, 6930247480, 10395371220, 20790742440]

約数ペア:

[(1, 20790742440), (2, 10395371220), (3, 6930247480), (4, 5197685610), (5, 4158148488), (6, 3465123740), (8, 2598842805), (10, 2079074244), (12, 1732561870), (13, 1599287880), (15, 1386049496), (20, 1039537122), (24, 866280935), (26, 799643940), (30, 693024748), (39, 533095960), (40, 519768561), (52, 399821970), (60, 346512374), (65, 319857576), (78, 266547980), (104, 199910985), (120, 173256187), (130, 159928788), (156, 133273990), (195, 106619192), (260, 79964394), (312, 66636995), (390, 53309596), (520, 39982197), (780, 26654798), (1560, 13327399)]