20637456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3613}}^1$

素因数の和:3648

約数の個数: 80

約数和(自身を含む): 64531584

約数和(自身を除く): 43894128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 238, 272, 336, 357, 408, 476, 714, 816, 952, 1428, 1904, 2856, 3613, 5712, 7226, 10839, 14452, 21678, 25291, 28904, 43356, 50582, 57808, 61421, 75873, 86712, 101164, 122842, 151746, 173424, 184263, 202328, 245684, 303492, 368526, 404656, 429947, 491368, 606984, 737052, 859894, 982736, 1213968, 1289841, 1474104, 1719788, 2579682, 2948208, 3439576, 5159364, 6879152, 10318728, 20637456]

約数ペア:

[(1, 20637456), (2, 10318728), (3, 6879152), (4, 5159364), (6, 3439576), (7, 2948208), (8, 2579682), (12, 1719788), (14, 1474104), (16, 1289841), (17, 1213968), (21, 982736), (24, 859894), (28, 737052), (34, 606984), (42, 491368), (48, 429947), (51, 404656), (56, 368526), (68, 303492), (84, 245684), (102, 202328), (112, 184263), (119, 173424), (136, 151746), (168, 122842), (204, 101164), (238, 86712), (272, 75873), (336, 61421), (357, 57808), (408, 50582), (476, 43356), (714, 28904), (816, 25291), (952, 21678), (1428, 14452), (1904, 10839), (2856, 7226), (3613, 5712)]