20322900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:232

約数の個数: 180

約数和(自身を含む): 71314012

約数和(自身を除く): 50991112

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 81, 90, 100, 108, 117, 130, 135, 150, 156, 162, 180, 193, 195, 225, 234, 260, 270, 300, 324, 325, 351, 386, 390, 405, 450, 468, 540, 579, 585, 650, 675, 702, 772, 780, 810, 900, 965, 975, 1053, 1158, 1170, 1300, 1350, 1404, 1620, 1737, 1755, 1930, 1950, 2025, 2106, 2316, 2340, 2509, 2700, 2895, 2925, 3474, 3510, 3860, 3900, 4050, 4212, 4825, 5018, 5211, 5265, 5790, 5850, 6948, 7020, 7527, 8100, 8685, 8775, 9650, 10036, 10422, 10530, 11580, 11700, 12545, 14475, 15054, 15633, 17370, 17550, 19300, 20844, 21060, 22581, 25090, 26055, 26325, 28950, 30108, 31266, 34740, 35100, 37635, 43425, 45162, 50180, 52110, 52650, 57900, 62532, 62725, 67743, 75270, 78165, 86850, 90324, 104220, 105300, 112905, 125450, 130275, 135486, 150540, 156330, 173700, 188175, 203229, 225810, 250900, 260550, 270972, 312660, 338715, 376350, 390825, 406458, 451620, 521100, 564525, 677430, 752700, 781650, 812916, 1016145, 1129050, 1354860, 1563300, 1693575, 2032290, 2258100, 3387150, 4064580, 5080725, 6774300, 10161450, 20322900]

約数ペア:

[(1, 20322900), (2, 10161450), (3, 6774300), (4, 5080725), (5, 4064580), (6, 3387150), (9, 2258100), (10, 2032290), (12, 1693575), (13, 1563300), (15, 1354860), (18, 1129050), (20, 1016145), (25, 812916), (26, 781650), (27, 752700), (30, 677430), (36, 564525), (39, 521100), (45, 451620), (50, 406458), (52, 390825), (54, 376350), (60, 338715), (65, 312660), (75, 270972), (78, 260550), (81, 250900), (90, 225810), (100, 203229), (108, 188175), (117, 173700), (130, 156330), (135, 150540), (150, 135486), (156, 130275), (162, 125450), (180, 112905), (193, 105300), (195, 104220), (225, 90324), (234, 86850), (260, 78165), (270, 75270), (300, 67743), (324, 62725), (325, 62532), (351, 57900), (386, 52650), (390, 52110), (405, 50180), (450, 45162), (468, 43425), (540, 37635), (579, 35100), (585, 34740), (650, 31266), (675, 30108), (702, 28950), (772, 26325), (780, 26055), (810, 25090), (900, 22581), (965, 21060), (975, 20844), (1053, 19300), (1158, 17550), (1170, 17370), (1300, 15633), (1350, 15054), (1404, 14475), (1620, 12545), (1737, 11700), (1755, 11580), (1930, 10530), (1950, 10422), (2025, 10036), (2106, 9650), (2316, 8775), (2340, 8685), (2509, 8100), (2700, 7527), (2895, 7020), (2925, 6948), (3474, 5850), (3510, 5790), (3860, 5265), (3900, 5211), (4050, 5018), (4212, 4825)]