20178441686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:450

約数の個数: 128

約数和(自身を含む): 36751397760

約数和(自身を除く): 16572956074

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 61, 122, 131, 197, 221, 262, 377, 394, 442, 493, 754, 793, 986, 1037, 1586, 1703, 1769, 2074, 2227, 2561, 3349, 3406, 3538, 3799, 4454, 5122, 5713, 6409, 6698, 7598, 7991, 11426, 12017, 12818, 13481, 15982, 22997, 24034, 25807, 26962, 28951, 30073, 43537, 45994, 49387, 51614, 57902, 60146, 64583, 74269, 87074, 97121, 98774, 103883, 129166, 135847, 148538, 156221, 194242, 204289, 207766, 231739, 271694, 312442, 335491, 348493, 390949, 408578, 438719, 463478, 670982, 696986, 748403, 781898, 839579, 877438, 1262573, 1496806, 1574227, 1679158, 1766011, 2525146, 2655757, 3012607, 3148454, 3532022, 3939563, 4530409, 5311514, 5703347, 5924381, 6025214, 7879126, 9060818, 9729239, 11406694, 11848762, 12722851, 19458478, 20464951, 25445702, 26761859, 40929902, 45652583, 51214319, 53523718, 77016953, 91305166, 102428638, 154033906, 165397063, 330794126, 347904167, 593483579, 695808334, 776093911, 1186967158, 1552187822, 10089220843, 20178441686]

約数ペア:

[(1, 20178441686), (2, 10089220843), (13, 1552187822), (17, 1186967158), (26, 776093911), (29, 695808334), (34, 593483579), (58, 347904167), (61, 330794126), (122, 165397063), (131, 154033906), (197, 102428638), (221, 91305166), (262, 77016953), (377, 53523718), (394, 51214319), (442, 45652583), (493, 40929902), (754, 26761859), (793, 25445702), (986, 20464951), (1037, 19458478), (1586, 12722851), (1703, 11848762), (1769, 11406694), (2074, 9729239), (2227, 9060818), (2561, 7879126), (3349, 6025214), (3406, 5924381), (3538, 5703347), (3799, 5311514), (4454, 4530409), (5122, 3939563), (5713, 3532022), (6409, 3148454), (6698, 3012607), (7598, 2655757), (7991, 2525146), (11426, 1766011), (12017, 1679158), (12818, 1574227), (13481, 1496806), (15982, 1262573), (22997, 877438), (24034, 839579), (25807, 781898), (26962, 748403), (28951, 696986), (30073, 670982), (43537, 463478), (45994, 438719), (49387, 408578), (51614, 390949), (57902, 348493), (60146, 335491), (64583, 312442), (74269, 271694), (87074, 231739), (97121, 207766), (98774, 204289), (103883, 194242), (129166, 156221), (135847, 148538)]