20734350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 192

約数和(自身を含む): 66662400

約数和(自身を除く): 45928050

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 31, 35, 39, 42, 49, 50, 62, 65, 70, 75, 78, 91, 93, 98, 105, 130, 147, 150, 155, 175, 182, 186, 195, 210, 217, 245, 273, 294, 310, 325, 343, 350, 390, 403, 434, 455, 465, 490, 525, 546, 637, 650, 651, 686, 735, 775, 806, 910, 930, 975, 1029, 1050, 1085, 1209, 1225, 1274, 1302, 1365, 1470, 1519, 1550, 1715, 1911, 1950, 2015, 2058, 2170, 2275, 2325, 2418, 2450, 2730, 2821, 3038, 3185, 3255, 3430, 3675, 3822, 4030, 4459, 4550, 4557, 4650, 5145, 5425, 5642, 6045, 6370, 6510, 6825, 7350, 7595, 8463, 8575, 8918, 9114, 9555, 10075, 10290, 10633, 10850, 12090, 13377, 13650, 14105, 15190, 15925, 16275, 16926, 17150, 19110, 19747, 20150, 21266, 22295, 22785, 25725, 26754, 28210, 30225, 31850, 31899, 32550, 37975, 39494, 42315, 44590, 45570, 47775, 51450, 53165, 59241, 60450, 63798, 66885, 70525, 75950, 84630, 95550, 98735, 106330, 111475, 113925, 118482, 133770, 138229, 141050, 159495, 197470, 211575, 222950, 227850, 265825, 276458, 296205, 318990, 334425, 414687, 423150, 493675, 531650, 592410, 668850, 691145, 797475, 829374, 987350, 1382290, 1481025, 1594950, 2073435, 2962050, 3455725, 4146870, 6911450, 10367175, 20734350]

約数ペア:

[(1, 20734350), (2, 10367175), (3, 6911450), (5, 4146870), (6, 3455725), (7, 2962050), (10, 2073435), (13, 1594950), (14, 1481025), (15, 1382290), (21, 987350), (25, 829374), (26, 797475), (30, 691145), (31, 668850), (35, 592410), (39, 531650), (42, 493675), (49, 423150), (50, 414687), (62, 334425), (65, 318990), (70, 296205), (75, 276458), (78, 265825), (91, 227850), (93, 222950), (98, 211575), (105, 197470), (130, 159495), (147, 141050), (150, 138229), (155, 133770), (175, 118482), (182, 113925), (186, 111475), (195, 106330), (210, 98735), (217, 95550), (245, 84630), (273, 75950), (294, 70525), (310, 66885), (325, 63798), (343, 60450), (350, 59241), (390, 53165), (403, 51450), (434, 47775), (455, 45570), (465, 44590), (490, 42315), (525, 39494), (546, 37975), (637, 32550), (650, 31899), (651, 31850), (686, 30225), (735, 28210), (775, 26754), (806, 25725), (910, 22785), (930, 22295), (975, 21266), (1029, 20150), (1050, 19747), (1085, 19110), (1209, 17150), (1225, 16926), (1274, 16275), (1302, 15925), (1365, 15190), (1470, 14105), (1519, 13650), (1550, 13377), (1715, 12090), (1911, 10850), (1950, 10633), (2015, 10290), (2058, 10075), (2170, 9555), (2275, 9114), (2325, 8918), (2418, 8575), (2450, 8463), (2730, 7595), (2821, 7350), (3038, 6825), (3185, 6510), (3255, 6370), (3430, 6045), (3675, 5642), (3822, 5425), (4030, 5145), (4459, 4650), (4550, 4557)]