20512496700

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53881}}^1$

素因数の和:53954

約数の個数: 180

約数和(自身を含む): 67909424352

約数和(自身を除く): 47396927652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 47, 50, 54, 60, 75, 81, 90, 94, 100, 108, 135, 141, 150, 162, 180, 188, 225, 235, 270, 282, 300, 324, 405, 423, 450, 470, 540, 564, 675, 705, 810, 846, 900, 940, 1175, 1269, 1350, 1410, 1620, 1692, 2025, 2115, 2350, 2538, 2700, 2820, 3525, 3807, 4050, 4230, 4700, 5076, 6345, 7050, 7614, 8100, 8460, 10575, 12690, 14100, 15228, 19035, 21150, 25380, 31725, 38070, 42300, 53881, 63450, 76140, 95175, 107762, 126900, 161643, 190350, 215524, 269405, 323286, 380700, 484929, 538810, 646572, 808215, 969858, 1077620, 1347025, 1454787, 1616430, 1939716, 2424645, 2532407, 2694050, 2909574, 3232860, 4041075, 4364361, 4849290, 5064814, 5388100, 5819148, 7273935, 7597221, 8082150, 8728722, 9698580, 10129628, 12123225, 12662035, 14547870, 15194442, 16164300, 17457444, 21821805, 22791663, 24246450, 25324070, 29095740, 30388884, 36369675, 37986105, 43643610, 45583326, 48492900, 50648140, 63310175, 68374989, 72739350, 75972210, 87287220, 91166652, 109109025, 113958315, 126620350, 136749978, 145478700, 151944420, 189930525, 205124967, 218218050, 227916630, 253240700, 273499956, 341874945, 379861050, 410249934, 436436100, 455833260, 569791575, 683749890, 759722100, 820499868, 1025624835, 1139583150, 1367499780, 1709374725, 2051249670, 2279166300, 3418749450, 4102499340, 5128124175, 6837498900, 10256248350, 20512496700]

約数ペア:

[(1, 20512496700), (2, 10256248350), (3, 6837498900), (4, 5128124175), (5, 4102499340), (6, 3418749450), (9, 2279166300), (10, 2051249670), (12, 1709374725), (15, 1367499780), (18, 1139583150), (20, 1025624835), (25, 820499868), (27, 759722100), (30, 683749890), (36, 569791575), (45, 455833260), (47, 436436100), (50, 410249934), (54, 379861050), (60, 341874945), (75, 273499956), (81, 253240700), (90, 227916630), (94, 218218050), (100, 205124967), (108, 189930525), (135, 151944420), (141, 145478700), (150, 136749978), (162, 126620350), (180, 113958315), (188, 109109025), (225, 91166652), (235, 87287220), (270, 75972210), (282, 72739350), (300, 68374989), (324, 63310175), (405, 50648140), (423, 48492900), (450, 45583326), (470, 43643610), (540, 37986105), (564, 36369675), (675, 30388884), (705, 29095740), (810, 25324070), (846, 24246450), (900, 22791663), (940, 21821805), (1175, 17457444), (1269, 16164300), (1350, 15194442), (1410, 14547870), (1620, 12662035), (1692, 12123225), (2025, 10129628), (2115, 9698580), (2350, 8728722), (2538, 8082150), (2700, 7597221), (2820, 7273935), (3525, 5819148), (3807, 5388100), (4050, 5064814), (4230, 4849290), (4700, 4364361), (5076, 4041075), (6345, 3232860), (7050, 2909574), (7614, 2694050), (8100, 2532407), (8460, 2424645), (10575, 1939716), (12690, 1616430), (14100, 1454787), (15228, 1347025), (19035, 1077620), (21150, 969858), (25380, 808215), (31725, 646572), (38070, 538810), (42300, 484929), (53881, 380700), (63450, 323286), (76140, 269405), (95175, 215524), (107762, 190350), (126900, 161643)]