20120253740

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1\times {\mathrm{15241}}^1$

素因数の和:15842

約数の個数: 48

約数和(自身を含む): 42634922400

約数和(自身を除く): 22514668660

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 443, 596, 745, 886, 1490, 1772, 2215, 2980, 4430, 8860, 15241, 30482, 60964, 66007, 76205, 132014, 152410, 264028, 304820, 330035, 660070, 1320140, 2270909, 4541818, 6751763, 9083636, 11354545, 13503526, 22709090, 27007052, 33758815, 45418180, 67517630, 135035260, 1006012687, 2012025374, 4024050748, 5030063435, 10060126870, 20120253740]

約数ペア:

[(1, 20120253740), (2, 10060126870), (4, 5030063435), (5, 4024050748), (10, 2012025374), (20, 1006012687), (149, 135035260), (298, 67517630), (443, 45418180), (596, 33758815), (745, 27007052), (886, 22709090), (1490, 13503526), (1772, 11354545), (2215, 9083636), (2980, 6751763), (4430, 4541818), (8860, 2270909), (15241, 1320140), (30482, 660070), (60964, 330035), (66007, 304820), (76205, 264028), (132014, 152410)]