20822880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 73156608

約数和(自身を除く): 52333728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 47, 48, 52, 60, 65, 71, 78, 80, 94, 96, 104, 120, 130, 141, 142, 156, 160, 188, 195, 208, 213, 235, 240, 260, 282, 284, 312, 355, 376, 390, 416, 426, 470, 480, 520, 564, 568, 611, 624, 705, 710, 752, 780, 852, 923, 940, 1040, 1065, 1128, 1136, 1222, 1248, 1410, 1420, 1504, 1560, 1704, 1833, 1846, 1880, 2080, 2130, 2256, 2272, 2444, 2769, 2820, 2840, 3055, 3120, 3337, 3408, 3666, 3692, 3760, 4260, 4512, 4615, 4888, 5538, 5640, 5680, 6110, 6240, 6674, 6816, 7332, 7384, 7520, 8520, 9165, 9230, 9776, 10011, 11076, 11280, 11360, 12220, 13348, 13845, 14664, 14768, 16685, 17040, 18330, 18460, 19552, 20022, 22152, 22560, 24440, 26696, 27690, 29328, 29536, 33370, 34080, 36660, 36920, 40044, 43381, 44304, 48880, 50055, 53392, 55380, 58656, 66740, 73320, 73840, 80088, 86762, 88608, 97760, 100110, 106784, 110760, 130143, 133480, 146640, 147680, 160176, 173524, 200220, 216905, 221520, 260286, 266960, 293280, 320352, 347048, 400440, 433810, 443040, 520572, 533920, 650715, 694096, 800880, 867620, 1041144, 1301430, 1388192, 1601760, 1735240, 2082288, 2602860, 3470480, 4164576, 5205720, 6940960, 10411440, 20822880]

約数ペア:

[(1, 20822880), (2, 10411440), (3, 6940960), (4, 5205720), (5, 4164576), (6, 3470480), (8, 2602860), (10, 2082288), (12, 1735240), (13, 1601760), (15, 1388192), (16, 1301430), (20, 1041144), (24, 867620), (26, 800880), (30, 694096), (32, 650715), (39, 533920), (40, 520572), (47, 443040), (48, 433810), (52, 400440), (60, 347048), (65, 320352), (71, 293280), (78, 266960), (80, 260286), (94, 221520), (96, 216905), (104, 200220), (120, 173524), (130, 160176), (141, 147680), (142, 146640), (156, 133480), (160, 130143), (188, 110760), (195, 106784), (208, 100110), (213, 97760), (235, 88608), (240, 86762), (260, 80088), (282, 73840), (284, 73320), (312, 66740), (355, 58656), (376, 55380), (390, 53392), (416, 50055), (426, 48880), (470, 44304), (480, 43381), (520, 40044), (564, 36920), (568, 36660), (611, 34080), (624, 33370), (705, 29536), (710, 29328), (752, 27690), (780, 26696), (852, 24440), (923, 22560), (940, 22152), (1040, 20022), (1065, 19552), (1128, 18460), (1136, 18330), (1222, 17040), (1248, 16685), (1410, 14768), (1420, 14664), (1504, 13845), (1560, 13348), (1704, 12220), (1833, 11360), (1846, 11280), (1880, 11076), (2080, 10011), (2130, 9776), (2256, 9230), (2272, 9165), (2444, 8520), (2769, 7520), (2820, 7384), (2840, 7332), (3055, 6816), (3120, 6674), (3337, 6240), (3408, 6110), (3666, 5680), (3692, 5640), (3760, 5538), (4260, 4888), (4512, 4615)]