20951567686

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{18043}}^1$

素因数の和:18134

約数の個数: 72

約数和(自身を含む): 39784746456

約数和(自身を除く): 18833178770

約数列:

[1, 2, 7, 14, 17, 34, 41, 49, 82, 98, 119, 238, 287, 289, 574, 578, 697, 833, 1394, 1666, 2009, 2023, 4018, 4046, 4879, 9758, 11849, 14161, 18043, 23698, 28322, 34153, 36086, 68306, 82943, 126301, 165886, 252602, 306731, 580601, 613462, 739763, 884107, 1161202, 1479526, 1768214, 2147117, 4294234, 5178341, 5214427, 10356682, 10428854, 12575971, 15029819, 25151942, 30059638, 36248387, 36500989, 72496774, 73001978, 88031797, 176063594, 213791507, 255506923, 427583014, 511013846, 616222579, 1232445158, 1496540549, 2993081098, 10475783843, 20951567686]

約数ペア:

[(1, 20951567686), (2, 10475783843), (7, 2993081098), (14, 1496540549), (17, 1232445158), (34, 616222579), (41, 511013846), (49, 427583014), (82, 255506923), (98, 213791507), (119, 176063594), (238, 88031797), (287, 73001978), (289, 72496774), (574, 36500989), (578, 36248387), (697, 30059638), (833, 25151942), (1394, 15029819), (1666, 12575971), (2009, 10428854), (2023, 10356682), (4018, 5214427), (4046, 5178341), (4879, 4294234), (9758, 2147117), (11849, 1768214), (14161, 1479526), (18043, 1161202), (23698, 884107), (28322, 739763), (34153, 613462), (36086, 580601), (68306, 306731), (82943, 252602), (126301, 165886)]