20000679840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{243673}}^1$

素因数の和:243716

約数の個数: 192

約数和(自身を含む): 73687017600

約数和(自身を除く): 53686337760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 8208, 9120, 10260, 13680, 16416, 20520, 27360, 41040, 82080, 243673, 487346, 731019, 974692, 1218365, 1462038, 1949384, 2193057, 2436730, 2924076, 3655095, 3898768, 4386114, 4629787, 4873460, 5848152, 6579171, 7310190, 7797536, 8772228, 9259574, 9746920, 10965285, 11696304, 13158342, 13889361, 14620380, 17544456, 18519148, 19493840, 21930570, 23148935, 23392608, 26316684, 27778722, 29240760, 32895855, 35088912, 37038296, 38987680, 41668083, 43861140, 46297870, 52633368, 55557444, 58481520, 65791710, 69446805, 70177824, 74076592, 83336166, 87722280, 92595740, 105266736, 111114888, 116963040, 125004249, 131583420, 138893610, 148153184, 166672332, 175444560, 185191480, 208340415, 210533472, 222229776, 250008498, 263166840, 277787220, 333344664, 350889120, 370382960, 416680830, 444459552, 500016996, 526333680, 555574440, 625021245, 666689328, 740765920, 833361660, 1000033992, 1052667360, 1111148880, 1250042490, 1333378656, 1666723320, 2000067984, 2222297760, 2500084980, 3333446640, 4000135968, 5000169960, 6666893280, 10000339920, 20000679840]

約数ペア:

[(1, 20000679840), (2, 10000339920), (3, 6666893280), (4, 5000169960), (5, 4000135968), (6, 3333446640), (8, 2500084980), (9, 2222297760), (10, 2000067984), (12, 1666723320), (15, 1333378656), (16, 1250042490), (18, 1111148880), (19, 1052667360), (20, 1000033992), (24, 833361660), (27, 740765920), (30, 666689328), (32, 625021245), (36, 555574440), (38, 526333680), (40, 500016996), (45, 444459552), (48, 416680830), (54, 370382960), (57, 350889120), (60, 333344664), (72, 277787220), (76, 263166840), (80, 250008498), (90, 222229776), (95, 210533472), (96, 208340415), (108, 185191480), (114, 175444560), (120, 166672332), (135, 148153184), (144, 138893610), (152, 131583420), (160, 125004249), (171, 116963040), (180, 111114888), (190, 105266736), (216, 92595740), (228, 87722280), (240, 83336166), (270, 74076592), (285, 70177824), (288, 69446805), (304, 65791710), (342, 58481520), (360, 55557444), (380, 52633368), (432, 46297870), (456, 43861140), (480, 41668083), (513, 38987680), (540, 37038296), (570, 35088912), (608, 32895855), (684, 29240760), (720, 27778722), (760, 26316684), (855, 23392608), (864, 23148935), (912, 21930570), (1026, 19493840), (1080, 18519148), (1140, 17544456), (1368, 14620380), (1440, 13889361), (1520, 13158342), (1710, 11696304), (1824, 10965285), (2052, 9746920), (2160, 9259574), (2280, 8772228), (2565, 7797536), (2736, 7310190), (3040, 6579171), (3420, 5848152), (4104, 4873460), (4320, 4629787), (4560, 4386114), (5130, 3898768), (5472, 3655095), (6840, 2924076), (8208, 2436730), (9120, 2193057), (10260, 1949384), (13680, 1462038), (16416, 1218365), (20520, 974692), (27360, 731019), (41040, 487346), (82080, 243673)]