20118763005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{47389}}^1$

素因数の和:47522

約数の個数: 64

約数和(自身を含む): 36686684160

約数和(自身を除く): 16567921155

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 83, 93, 155, 165, 249, 341, 415, 465, 913, 1023, 1245, 1705, 2573, 2739, 4565, 5115, 7719, 12865, 13695, 28303, 38595, 47389, 84909, 141515, 142167, 236945, 424545, 521279, 710835, 1469059, 1563837, 2606395, 3933287, 4407177, 7345295, 7819185, 11799861, 16159649, 19666435, 22035885, 43266157, 48478947, 58999305, 80798245, 121931897, 129798471, 216330785, 242394735, 365795691, 609659485, 648992355, 1341250867, 1828978455, 4023752601, 6706254335, 20118763005]

約数ペア:

[(1, 20118763005), (3, 6706254335), (5, 4023752601), (11, 1828978455), (15, 1341250867), (31, 648992355), (33, 609659485), (55, 365795691), (83, 242394735), (93, 216330785), (155, 129798471), (165, 121931897), (249, 80798245), (341, 58999305), (415, 48478947), (465, 43266157), (913, 22035885), (1023, 19666435), (1245, 16159649), (1705, 11799861), (2573, 7819185), (2739, 7345295), (4565, 4407177), (5115, 3933287), (7719, 2606395), (12865, 1563837), (13695, 1469059), (28303, 710835), (38595, 521279), (47389, 424545), (84909, 236945), (141515, 142167)]