20121012772

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1\times {\mathrm{12269}}^1$

素因数の和:13900

約数の個数: 48

約数和(自身を含む): 41359127040

約数和(自身を除く): 21238114268

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 1583, 3166, 6332, 11081, 12269, 22162, 24538, 44324, 49076, 58571, 85883, 117142, 171766, 234284, 343532, 409997, 453953, 819994, 907906, 1639988, 1815812, 3177671, 6355342, 12710684, 19421827, 38843654, 77687308, 135952789, 271905578, 543811156, 718607599, 1437215198, 2874430396, 5030253193, 10060506386, 20121012772]

約数ペア:

[(1, 20121012772), (2, 10060506386), (4, 5030253193), (7, 2874430396), (14, 1437215198), (28, 718607599), (37, 543811156), (74, 271905578), (148, 135952789), (259, 77687308), (518, 38843654), (1036, 19421827), (1583, 12710684), (3166, 6355342), (6332, 3177671), (11081, 1815812), (12269, 1639988), (22162, 907906), (24538, 819994), (44324, 453953), (49076, 409997), (58571, 343532), (85883, 234284), (117142, 171766)]