20512956816

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{20921}}^1$

素因数の和:21565

約数の個数: 120

約数和(自身を含む): 62730851040

約数和(自身を除く): 42217894224

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 619, 792, 1238, 1584, 1857, 2476, 3714, 4952, 5571, 6809, 7428, 9904, 11142, 13618, 14856, 20427, 20921, 22284, 27236, 29712, 40854, 41842, 44568, 54472, 61281, 62763, 81708, 83684, 89136, 108944, 122562, 125526, 163416, 167368, 188289, 230131, 245124, 251052, 326832, 334736, 376578, 460262, 490248, 502104, 690393, 753156, 920524, 980496, 1004208, 1380786, 1506312, 1841048, 2071179, 2761572, 3012624, 3682096, 4142358, 5523144, 8284716, 11046288, 12950099, 16569432, 25900198, 33138864, 38850297, 51800396, 77700594, 103600792, 116550891, 142451089, 155401188, 207201584, 233101782, 284902178, 310802376, 427353267, 466203564, 569804356, 621604752, 854706534, 932407128, 1139608712, 1282059801, 1709413068, 1864814256, 2279217424, 2564119602, 3418826136, 5128239204, 6837652272, 10256478408, 20512956816]

約数ペア:

[(1, 20512956816), (2, 10256478408), (3, 6837652272), (4, 5128239204), (6, 3418826136), (8, 2564119602), (9, 2279217424), (11, 1864814256), (12, 1709413068), (16, 1282059801), (18, 1139608712), (22, 932407128), (24, 854706534), (33, 621604752), (36, 569804356), (44, 466203564), (48, 427353267), (66, 310802376), (72, 284902178), (88, 233101782), (99, 207201584), (132, 155401188), (144, 142451089), (176, 116550891), (198, 103600792), (264, 77700594), (396, 51800396), (528, 38850297), (619, 33138864), (792, 25900198), (1238, 16569432), (1584, 12950099), (1857, 11046288), (2476, 8284716), (3714, 5523144), (4952, 4142358), (5571, 3682096), (6809, 3012624), (7428, 2761572), (9904, 2071179), (11142, 1841048), (13618, 1506312), (14856, 1380786), (20427, 1004208), (20921, 980496), (22284, 920524), (27236, 753156), (29712, 690393), (40854, 502104), (41842, 490248), (44568, 460262), (54472, 376578), (61281, 334736), (62763, 326832), (81708, 251052), (83684, 245124), (89136, 230131), (108944, 188289), (122562, 167368), (125526, 163416)]