20838000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:200

約数の個数: 160

約数和(自身を含む): 70566912

約数和(自身を除く): 49728912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 40, 46, 48, 50, 60, 69, 75, 80, 92, 100, 115, 120, 125, 138, 150, 151, 184, 200, 230, 240, 250, 276, 300, 302, 345, 368, 375, 400, 453, 460, 500, 552, 575, 600, 604, 690, 750, 755, 906, 920, 1000, 1104, 1150, 1200, 1208, 1380, 1500, 1510, 1725, 1812, 1840, 2000, 2265, 2300, 2416, 2760, 2875, 3000, 3020, 3450, 3473, 3624, 3775, 4530, 4600, 5520, 5750, 6000, 6040, 6900, 6946, 7248, 7550, 8625, 9060, 9200, 10419, 11325, 11500, 12080, 13800, 13892, 15100, 17250, 17365, 18120, 18875, 20838, 22650, 23000, 27600, 27784, 30200, 34500, 34730, 36240, 37750, 41676, 45300, 46000, 52095, 55568, 56625, 60400, 69000, 69460, 75500, 83352, 86825, 90600, 104190, 113250, 138000, 138920, 151000, 166704, 173650, 181200, 208380, 226500, 260475, 277840, 302000, 347300, 416760, 434125, 453000, 520950, 694600, 833520, 868250, 906000, 1041900, 1302375, 1389200, 1736500, 2083800, 2604750, 3473000, 4167600, 5209500, 6946000, 10419000, 20838000]

約数ペア:

[(1, 20838000), (2, 10419000), (3, 6946000), (4, 5209500), (5, 4167600), (6, 3473000), (8, 2604750), (10, 2083800), (12, 1736500), (15, 1389200), (16, 1302375), (20, 1041900), (23, 906000), (24, 868250), (25, 833520), (30, 694600), (40, 520950), (46, 453000), (48, 434125), (50, 416760), (60, 347300), (69, 302000), (75, 277840), (80, 260475), (92, 226500), (100, 208380), (115, 181200), (120, 173650), (125, 166704), (138, 151000), (150, 138920), (151, 138000), (184, 113250), (200, 104190), (230, 90600), (240, 86825), (250, 83352), (276, 75500), (300, 69460), (302, 69000), (345, 60400), (368, 56625), (375, 55568), (400, 52095), (453, 46000), (460, 45300), (500, 41676), (552, 37750), (575, 36240), (600, 34730), (604, 34500), (690, 30200), (750, 27784), (755, 27600), (906, 23000), (920, 22650), (1000, 20838), (1104, 18875), (1150, 18120), (1200, 17365), (1208, 17250), (1380, 15100), (1500, 13892), (1510, 13800), (1725, 12080), (1812, 11500), (1840, 11325), (2000, 10419), (2265, 9200), (2300, 9060), (2416, 8625), (2760, 7550), (2875, 7248), (3000, 6946), (3020, 6900), (3450, 6040), (3473, 6000), (3624, 5750), (3775, 5520), (4530, 4600)]