20670000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:97

約数の個数: 200

約数和(自身を含む): 73214064

約数和(自身を除く): 52544064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 53, 60, 65, 75, 78, 80, 100, 104, 106, 120, 125, 130, 150, 156, 159, 195, 200, 208, 212, 240, 250, 260, 265, 300, 312, 318, 325, 375, 390, 400, 424, 500, 520, 530, 600, 624, 625, 636, 650, 689, 750, 780, 795, 848, 975, 1000, 1040, 1060, 1200, 1250, 1272, 1300, 1325, 1378, 1500, 1560, 1590, 1625, 1875, 1950, 2000, 2067, 2120, 2500, 2544, 2600, 2650, 2756, 3000, 3120, 3180, 3250, 3445, 3750, 3900, 3975, 4134, 4240, 4875, 5000, 5200, 5300, 5512, 6000, 6360, 6500, 6625, 6890, 7500, 7800, 7950, 8125, 8268, 9750, 10000, 10335, 10600, 11024, 12720, 13000, 13250, 13780, 15000, 15600, 15900, 16250, 16536, 17225, 19500, 19875, 20670, 21200, 24375, 26000, 26500, 27560, 30000, 31800, 32500, 33072, 33125, 34450, 39000, 39750, 41340, 48750, 51675, 53000, 55120, 63600, 65000, 66250, 68900, 78000, 79500, 82680, 86125, 97500, 99375, 103350, 106000, 130000, 132500, 137800, 159000, 165360, 172250, 195000, 198750, 206700, 258375, 265000, 275600, 318000, 344500, 390000, 397500, 413400, 430625, 516750, 530000, 689000, 795000, 826800, 861250, 1033500, 1291875, 1378000, 1590000, 1722500, 2067000, 2583750, 3445000, 4134000, 5167500, 6890000, 10335000, 20670000]

約数ペア:

[(1, 20670000), (2, 10335000), (3, 6890000), (4, 5167500), (5, 4134000), (6, 3445000), (8, 2583750), (10, 2067000), (12, 1722500), (13, 1590000), (15, 1378000), (16, 1291875), (20, 1033500), (24, 861250), (25, 826800), (26, 795000), (30, 689000), (39, 530000), (40, 516750), (48, 430625), (50, 413400), (52, 397500), (53, 390000), (60, 344500), (65, 318000), (75, 275600), (78, 265000), (80, 258375), (100, 206700), (104, 198750), (106, 195000), (120, 172250), (125, 165360), (130, 159000), (150, 137800), (156, 132500), (159, 130000), (195, 106000), (200, 103350), (208, 99375), (212, 97500), (240, 86125), (250, 82680), (260, 79500), (265, 78000), (300, 68900), (312, 66250), (318, 65000), (325, 63600), (375, 55120), (390, 53000), (400, 51675), (424, 48750), (500, 41340), (520, 39750), (530, 39000), (600, 34450), (624, 33125), (625, 33072), (636, 32500), (650, 31800), (689, 30000), (750, 27560), (780, 26500), (795, 26000), (848, 24375), (975, 21200), (1000, 20670), (1040, 19875), (1060, 19500), (1200, 17225), (1250, 16536), (1272, 16250), (1300, 15900), (1325, 15600), (1378, 15000), (1500, 13780), (1560, 13250), (1590, 13000), (1625, 12720), (1875, 11024), (1950, 10600), (2000, 10335), (2067, 10000), (2120, 9750), (2500, 8268), (2544, 8125), (2600, 7950), (2650, 7800), (2756, 7500), (3000, 6890), (3120, 6625), (3180, 6500), (3250, 6360), (3445, 6000), (3750, 5512), (3900, 5300), (3975, 5200), (4134, 5000), (4240, 4875)]