20189250

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{997}}^1$

素因数の和:1026

約数の個数: 80

約数和(自身を含む): 56514744

約数和(自身を除く): 36325494

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 250, 270, 375, 405, 450, 675, 750, 810, 997, 1125, 1350, 1994, 2025, 2250, 2991, 3375, 4050, 4985, 5982, 6750, 8973, 9970, 10125, 14955, 17946, 20250, 24925, 26919, 29910, 44865, 49850, 53838, 74775, 80757, 89730, 124625, 134595, 149550, 161514, 224325, 249250, 269190, 373875, 403785, 448650, 672975, 747750, 807570, 1121625, 1345950, 2018925, 2243250, 3364875, 4037850, 6729750, 10094625, 20189250]

約数ペア:

[(1, 20189250), (2, 10094625), (3, 6729750), (5, 4037850), (6, 3364875), (9, 2243250), (10, 2018925), (15, 1345950), (18, 1121625), (25, 807570), (27, 747750), (30, 672975), (45, 448650), (50, 403785), (54, 373875), (75, 269190), (81, 249250), (90, 224325), (125, 161514), (135, 149550), (150, 134595), (162, 124625), (225, 89730), (250, 80757), (270, 74775), (375, 53838), (405, 49850), (450, 44865), (675, 29910), (750, 26919), (810, 24925), (997, 20250), (1125, 17946), (1350, 14955), (1994, 10125), (2025, 9970), (2250, 8973), (2991, 6750), (3375, 5982), (4050, 4985)]