20290500

素因数分解:

$2^2\times 3^5\times 5^3\times {\mathrm{167}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 66777984

約数和(自身を除く): 46487484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 167, 180, 225, 243, 250, 270, 300, 324, 334, 375, 405, 450, 486, 500, 501, 540, 668, 675, 750, 810, 835, 900, 972, 1002, 1125, 1215, 1350, 1500, 1503, 1620, 1670, 2004, 2025, 2250, 2430, 2505, 2700, 3006, 3340, 3375, 4050, 4175, 4500, 4509, 4860, 5010, 6012, 6075, 6750, 7515, 8100, 8350, 9018, 10020, 10125, 12150, 12525, 13500, 13527, 15030, 16700, 18036, 20250, 20875, 22545, 24300, 25050, 27054, 30060, 30375, 37575, 40500, 40581, 41750, 45090, 50100, 54108, 60750, 62625, 67635, 75150, 81162, 83500, 90180, 112725, 121500, 125250, 135270, 150300, 162324, 187875, 202905, 225450, 250500, 270540, 338175, 375750, 405810, 450900, 563625, 676350, 751500, 811620, 1014525, 1127250, 1352700, 1690875, 2029050, 2254500, 3381750, 4058100, 5072625, 6763500, 10145250, 20290500]

約数ペア:

[(1, 20290500), (2, 10145250), (3, 6763500), (4, 5072625), (5, 4058100), (6, 3381750), (9, 2254500), (10, 2029050), (12, 1690875), (15, 1352700), (18, 1127250), (20, 1014525), (25, 811620), (27, 751500), (30, 676350), (36, 563625), (45, 450900), (50, 405810), (54, 375750), (60, 338175), (75, 270540), (81, 250500), (90, 225450), (100, 202905), (108, 187875), (125, 162324), (135, 150300), (150, 135270), (162, 125250), (167, 121500), (180, 112725), (225, 90180), (243, 83500), (250, 81162), (270, 75150), (300, 67635), (324, 62625), (334, 60750), (375, 54108), (405, 50100), (450, 45090), (486, 41750), (500, 40581), (501, 40500), (540, 37575), (668, 30375), (675, 30060), (750, 27054), (810, 25050), (835, 24300), (900, 22545), (972, 20875), (1002, 20250), (1125, 18036), (1215, 16700), (1350, 15030), (1500, 13527), (1503, 13500), (1620, 12525), (1670, 12150), (2004, 10125), (2025, 10020), (2250, 9018), (2430, 8350), (2505, 8100), (2700, 7515), (3006, 6750), (3340, 6075), (3375, 6012), (4050, 5010), (4175, 4860), (4500, 4509)]