20265300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 216

約数和(自身を含む): 73120320

約数和(自身を除く): 52855020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 25, 30, 33, 36, 44, 45, 46, 50, 55, 60, 66, 69, 75, 89, 90, 92, 99, 100, 110, 115, 132, 138, 150, 165, 178, 180, 198, 207, 220, 225, 230, 253, 267, 275, 276, 300, 330, 345, 356, 396, 414, 445, 450, 460, 495, 506, 534, 550, 575, 660, 690, 759, 801, 825, 828, 890, 900, 979, 990, 1012, 1035, 1068, 1100, 1150, 1265, 1335, 1380, 1518, 1602, 1650, 1725, 1780, 1958, 1980, 2047, 2070, 2225, 2277, 2300, 2475, 2530, 2670, 2937, 3036, 3204, 3300, 3450, 3795, 3916, 4005, 4094, 4140, 4450, 4554, 4895, 4950, 5060, 5175, 5340, 5874, 6141, 6325, 6675, 6900, 7590, 8010, 8188, 8811, 8900, 9108, 9790, 9900, 10235, 10350, 11385, 11748, 12282, 12650, 13350, 14685, 15180, 16020, 17622, 18423, 18975, 19580, 20025, 20470, 20700, 22517, 22770, 24475, 24564, 25300, 26700, 29370, 30705, 35244, 36846, 37950, 40050, 40940, 44055, 45034, 45540, 48950, 51175, 56925, 58740, 61410, 67551, 73425, 73692, 75900, 80100, 88110, 90068, 92115, 97900, 102350, 112585, 113850, 122820, 135102, 146850, 153525, 176220, 184230, 202653, 204700, 220275, 225170, 227700, 270204, 293700, 307050, 337755, 368460, 405306, 440550, 450340, 460575, 562925, 614100, 675510, 810612, 881100, 921150, 1013265, 1125850, 1351020, 1688775, 1842300, 2026530, 2251700, 3377550, 4053060, 5066325, 6755100, 10132650, 20265300]

約数ペア:

[(1, 20265300), (2, 10132650), (3, 6755100), (4, 5066325), (5, 4053060), (6, 3377550), (9, 2251700), (10, 2026530), (11, 1842300), (12, 1688775), (15, 1351020), (18, 1125850), (20, 1013265), (22, 921150), (23, 881100), (25, 810612), (30, 675510), (33, 614100), (36, 562925), (44, 460575), (45, 450340), (46, 440550), (50, 405306), (55, 368460), (60, 337755), (66, 307050), (69, 293700), (75, 270204), (89, 227700), (90, 225170), (92, 220275), (99, 204700), (100, 202653), (110, 184230), (115, 176220), (132, 153525), (138, 146850), (150, 135102), (165, 122820), (178, 113850), (180, 112585), (198, 102350), (207, 97900), (220, 92115), (225, 90068), (230, 88110), (253, 80100), (267, 75900), (275, 73692), (276, 73425), (300, 67551), (330, 61410), (345, 58740), (356, 56925), (396, 51175), (414, 48950), (445, 45540), (450, 45034), (460, 44055), (495, 40940), (506, 40050), (534, 37950), (550, 36846), (575, 35244), (660, 30705), (690, 29370), (759, 26700), (801, 25300), (825, 24564), (828, 24475), (890, 22770), (900, 22517), (979, 20700), (990, 20470), (1012, 20025), (1035, 19580), (1068, 18975), (1100, 18423), (1150, 17622), (1265, 16020), (1335, 15180), (1380, 14685), (1518, 13350), (1602, 12650), (1650, 12282), (1725, 11748), (1780, 11385), (1958, 10350), (1980, 10235), (2047, 9900), (2070, 9790), (2225, 9108), (2277, 8900), (2300, 8811), (2475, 8188), (2530, 8010), (2670, 7590), (2937, 6900), (3036, 6675), (3204, 6325), (3300, 6141), (3450, 5874), (3795, 5340), (3916, 5175), (4005, 5060), (4094, 4950), (4140, 4895), (4450, 4554)]