20930000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 200

約数和(自身を含む): 65079168

約数和(自身を除く): 44149168

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 25, 26, 28, 35, 40, 46, 50, 52, 56, 65, 70, 80, 91, 92, 100, 104, 112, 115, 125, 130, 140, 161, 175, 182, 184, 200, 208, 230, 250, 260, 280, 299, 322, 325, 350, 364, 368, 400, 455, 460, 500, 520, 560, 575, 598, 625, 644, 650, 700, 728, 805, 875, 910, 920, 1000, 1040, 1150, 1196, 1250, 1288, 1300, 1400, 1456, 1495, 1610, 1625, 1750, 1820, 1840, 2000, 2093, 2275, 2300, 2392, 2500, 2576, 2600, 2800, 2875, 2990, 3220, 3250, 3500, 3640, 4025, 4186, 4375, 4550, 4600, 4784, 5000, 5200, 5750, 5980, 6440, 6500, 7000, 7280, 7475, 8050, 8125, 8372, 8750, 9100, 9200, 10000, 10465, 11375, 11500, 11960, 12880, 13000, 14000, 14375, 14950, 16100, 16250, 16744, 17500, 18200, 20125, 20930, 22750, 23000, 23920, 26000, 28750, 29900, 32200, 32500, 33488, 35000, 36400, 37375, 40250, 41860, 45500, 46000, 52325, 56875, 57500, 59800, 64400, 65000, 70000, 74750, 80500, 83720, 91000, 100625, 104650, 113750, 115000, 119600, 130000, 149500, 161000, 167440, 182000, 186875, 201250, 209300, 227500, 230000, 261625, 299000, 322000, 373750, 402500, 418600, 455000, 523250, 598000, 747500, 805000, 837200, 910000, 1046500, 1308125, 1495000, 1610000, 2093000, 2616250, 2990000, 4186000, 5232500, 10465000, 20930000]

約数ペア:

[(1, 20930000), (2, 10465000), (4, 5232500), (5, 4186000), (7, 2990000), (8, 2616250), (10, 2093000), (13, 1610000), (14, 1495000), (16, 1308125), (20, 1046500), (23, 910000), (25, 837200), (26, 805000), (28, 747500), (35, 598000), (40, 523250), (46, 455000), (50, 418600), (52, 402500), (56, 373750), (65, 322000), (70, 299000), (80, 261625), (91, 230000), (92, 227500), (100, 209300), (104, 201250), (112, 186875), (115, 182000), (125, 167440), (130, 161000), (140, 149500), (161, 130000), (175, 119600), (182, 115000), (184, 113750), (200, 104650), (208, 100625), (230, 91000), (250, 83720), (260, 80500), (280, 74750), (299, 70000), (322, 65000), (325, 64400), (350, 59800), (364, 57500), (368, 56875), (400, 52325), (455, 46000), (460, 45500), (500, 41860), (520, 40250), (560, 37375), (575, 36400), (598, 35000), (625, 33488), (644, 32500), (650, 32200), (700, 29900), (728, 28750), (805, 26000), (875, 23920), (910, 23000), (920, 22750), (1000, 20930), (1040, 20125), (1150, 18200), (1196, 17500), (1250, 16744), (1288, 16250), (1300, 16100), (1400, 14950), (1456, 14375), (1495, 14000), (1610, 13000), (1625, 12880), (1750, 11960), (1820, 11500), (1840, 11375), (2000, 10465), (2093, 10000), (2275, 9200), (2300, 9100), (2392, 8750), (2500, 8372), (2576, 8125), (2600, 8050), (2800, 7475), (2875, 7280), (2990, 7000), (3220, 6500), (3250, 6440), (3500, 5980), (3640, 5750), (4025, 5200), (4186, 5000), (4375, 4784), (4550, 4600)]