20060000

素因数分解:

$2^5\times 5^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:106

約数の個数: 120

約数和(自身を含む): 53139240

約数和(自身を除く): 33079240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 59, 68, 80, 85, 100, 118, 125, 136, 160, 170, 200, 236, 250, 272, 295, 340, 400, 425, 472, 500, 544, 590, 625, 680, 800, 850, 944, 1000, 1003, 1180, 1250, 1360, 1475, 1700, 1888, 2000, 2006, 2125, 2360, 2500, 2720, 2950, 3400, 4000, 4012, 4250, 4720, 5000, 5015, 5900, 6800, 7375, 8024, 8500, 9440, 10000, 10030, 10625, 11800, 13600, 14750, 16048, 17000, 20000, 20060, 21250, 23600, 25075, 29500, 32096, 34000, 36875, 40120, 42500, 47200, 50150, 59000, 68000, 73750, 80240, 85000, 100300, 118000, 125375, 147500, 160480, 170000, 200600, 236000, 250750, 295000, 340000, 401200, 501500, 590000, 626875, 802400, 1003000, 1180000, 1253750, 2006000, 2507500, 4012000, 5015000, 10030000, 20060000]

約数ペア:

[(1, 20060000), (2, 10030000), (4, 5015000), (5, 4012000), (8, 2507500), (10, 2006000), (16, 1253750), (17, 1180000), (20, 1003000), (25, 802400), (32, 626875), (34, 590000), (40, 501500), (50, 401200), (59, 340000), (68, 295000), (80, 250750), (85, 236000), (100, 200600), (118, 170000), (125, 160480), (136, 147500), (160, 125375), (170, 118000), (200, 100300), (236, 85000), (250, 80240), (272, 73750), (295, 68000), (340, 59000), (400, 50150), (425, 47200), (472, 42500), (500, 40120), (544, 36875), (590, 34000), (625, 32096), (680, 29500), (800, 25075), (850, 23600), (944, 21250), (1000, 20060), (1003, 20000), (1180, 17000), (1250, 16048), (1360, 14750), (1475, 13600), (1700, 11800), (1888, 10625), (2000, 10030), (2006, 10000), (2125, 9440), (2360, 8500), (2500, 8024), (2720, 7375), (2950, 6800), (3400, 5900), (4000, 5015), (4012, 5000), (4250, 4720)]