20790900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1777}}^1$

素因数の和:1810

約数の個数: 108

約数和(自身を含む): 70220332

約数和(自身を除く): 49429432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1777, 1950, 2340, 2925, 3554, 3900, 5331, 5850, 7108, 8885, 10662, 11700, 15993, 17770, 21324, 23101, 26655, 31986, 35540, 44425, 46202, 53310, 63972, 69303, 79965, 88850, 92404, 106620, 115505, 133275, 138606, 159930, 177700, 207909, 231010, 266550, 277212, 319860, 346515, 399825, 415818, 462020, 533100, 577525, 693030, 799650, 831636, 1039545, 1155050, 1386060, 1599300, 1732575, 2079090, 2310100, 3465150, 4158180, 5197725, 6930300, 10395450, 20790900]

約数ペア:

[(1, 20790900), (2, 10395450), (3, 6930300), (4, 5197725), (5, 4158180), (6, 3465150), (9, 2310100), (10, 2079090), (12, 1732575), (13, 1599300), (15, 1386060), (18, 1155050), (20, 1039545), (25, 831636), (26, 799650), (30, 693030), (36, 577525), (39, 533100), (45, 462020), (50, 415818), (52, 399825), (60, 346515), (65, 319860), (75, 277212), (78, 266550), (90, 231010), (100, 207909), (117, 177700), (130, 159930), (150, 138606), (156, 133275), (180, 115505), (195, 106620), (225, 92404), (234, 88850), (260, 79965), (300, 69303), (325, 63972), (390, 53310), (450, 46202), (468, 44425), (585, 35540), (650, 31986), (780, 26655), (900, 23101), (975, 21324), (1170, 17770), (1300, 15993), (1777, 11700), (1950, 10662), (2340, 8885), (2925, 7108), (3554, 5850), (3900, 5331)]