20145168

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 61256000

約数和(自身を除く): 41110832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 37, 38, 48, 57, 72, 74, 76, 111, 114, 144, 148, 152, 171, 199, 222, 228, 296, 304, 333, 342, 398, 444, 456, 592, 597, 666, 684, 703, 796, 888, 912, 1194, 1332, 1368, 1406, 1592, 1776, 1791, 2109, 2388, 2664, 2736, 2812, 3184, 3582, 3781, 4218, 4776, 5328, 5624, 6327, 7164, 7363, 7562, 8436, 9552, 11248, 11343, 12654, 14328, 14726, 15124, 16872, 22089, 22686, 25308, 28656, 29452, 30248, 33744, 34029, 44178, 45372, 50616, 58904, 60496, 66267, 68058, 88356, 90744, 101232, 117808, 132534, 136116, 139897, 176712, 181488, 265068, 272232, 279794, 353424, 419691, 530136, 544464, 559588, 839382, 1060272, 1119176, 1259073, 1678764, 2238352, 2518146, 3357528, 5036292, 6715056, 10072584, 20145168]

約数ペア:

[(1, 20145168), (2, 10072584), (3, 6715056), (4, 5036292), (6, 3357528), (8, 2518146), (9, 2238352), (12, 1678764), (16, 1259073), (18, 1119176), (19, 1060272), (24, 839382), (36, 559588), (37, 544464), (38, 530136), (48, 419691), (57, 353424), (72, 279794), (74, 272232), (76, 265068), (111, 181488), (114, 176712), (144, 139897), (148, 136116), (152, 132534), (171, 117808), (199, 101232), (222, 90744), (228, 88356), (296, 68058), (304, 66267), (333, 60496), (342, 58904), (398, 50616), (444, 45372), (456, 44178), (592, 34029), (597, 33744), (666, 30248), (684, 29452), (703, 28656), (796, 25308), (888, 22686), (912, 22089), (1194, 16872), (1332, 15124), (1368, 14726), (1406, 14328), (1592, 12654), (1776, 11343), (1791, 11248), (2109, 9552), (2388, 8436), (2664, 7562), (2736, 7363), (2812, 7164), (3184, 6327), (3582, 5624), (3781, 5328), (4218, 4776)]