20338500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:191

約数の個数: 192

約数和(自身を含む): 73382400

約数和(自身を除く): 53043900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 125, 130, 140, 149, 150, 156, 175, 182, 195, 210, 250, 260, 273, 298, 300, 325, 350, 364, 375, 390, 420, 447, 455, 500, 525, 546, 596, 650, 700, 745, 750, 780, 875, 894, 910, 975, 1043, 1050, 1092, 1300, 1365, 1490, 1500, 1625, 1750, 1788, 1820, 1937, 1950, 2086, 2100, 2235, 2275, 2625, 2730, 2980, 3129, 3250, 3500, 3725, 3874, 3900, 4172, 4470, 4550, 4875, 5215, 5250, 5460, 5811, 6258, 6500, 6825, 7450, 7748, 8940, 9100, 9685, 9750, 10430, 10500, 11175, 11375, 11622, 12516, 13559, 13650, 14900, 15645, 18625, 19370, 19500, 20860, 22350, 22750, 23244, 26075, 27118, 27300, 29055, 31290, 34125, 37250, 38740, 40677, 44700, 45500, 48425, 52150, 54236, 55875, 58110, 62580, 67795, 68250, 74500, 78225, 81354, 96850, 104300, 111750, 116220, 130375, 135590, 136500, 145275, 156450, 162708, 193700, 203385, 223500, 242125, 260750, 271180, 290550, 312900, 338975, 391125, 406770, 484250, 521500, 581100, 677950, 726375, 782250, 813540, 968500, 1016925, 1355900, 1452750, 1564500, 1694875, 2033850, 2905500, 3389750, 4067700, 5084625, 6779500, 10169250, 20338500]

約数ペア:

[(1, 20338500), (2, 10169250), (3, 6779500), (4, 5084625), (5, 4067700), (6, 3389750), (7, 2905500), (10, 2033850), (12, 1694875), (13, 1564500), (14, 1452750), (15, 1355900), (20, 1016925), (21, 968500), (25, 813540), (26, 782250), (28, 726375), (30, 677950), (35, 581100), (39, 521500), (42, 484250), (50, 406770), (52, 391125), (60, 338975), (65, 312900), (70, 290550), (75, 271180), (78, 260750), (84, 242125), (91, 223500), (100, 203385), (105, 193700), (125, 162708), (130, 156450), (140, 145275), (149, 136500), (150, 135590), (156, 130375), (175, 116220), (182, 111750), (195, 104300), (210, 96850), (250, 81354), (260, 78225), (273, 74500), (298, 68250), (300, 67795), (325, 62580), (350, 58110), (364, 55875), (375, 54236), (390, 52150), (420, 48425), (447, 45500), (455, 44700), (500, 40677), (525, 38740), (546, 37250), (596, 34125), (650, 31290), (700, 29055), (745, 27300), (750, 27118), (780, 26075), (875, 23244), (894, 22750), (910, 22350), (975, 20860), (1043, 19500), (1050, 19370), (1092, 18625), (1300, 15645), (1365, 14900), (1490, 13650), (1500, 13559), (1625, 12516), (1750, 11622), (1788, 11375), (1820, 11175), (1937, 10500), (1950, 10430), (2086, 9750), (2100, 9685), (2235, 9100), (2275, 8940), (2625, 7748), (2730, 7450), (2980, 6825), (3129, 6500), (3250, 6258), (3500, 5811), (3725, 5460), (3874, 5250), (3900, 5215), (4172, 4875), (4470, 4550)]