20558916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4799}}^1$

素因数の和:4833

約数の個数: 72

約数和(自身を含む): 62899200

約数和(自身を除く): 42340284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4799, 9598, 14397, 19196, 28794, 33593, 43191, 57588, 67186, 81583, 86382, 100779, 134372, 163166, 172764, 201558, 244749, 302337, 326332, 403116, 489498, 571081, 604674, 734247, 978996, 1142162, 1209348, 1468494, 1713243, 2284324, 2936988, 3426486, 5139729, 6852972, 10279458, 20558916]

約数ペア:

[(1, 20558916), (2, 10279458), (3, 6852972), (4, 5139729), (6, 3426486), (7, 2936988), (9, 2284324), (12, 1713243), (14, 1468494), (17, 1209348), (18, 1142162), (21, 978996), (28, 734247), (34, 604674), (36, 571081), (42, 489498), (51, 403116), (63, 326332), (68, 302337), (84, 244749), (102, 201558), (119, 172764), (126, 163166), (153, 134372), (204, 100779), (238, 86382), (252, 81583), (306, 67186), (357, 57588), (476, 43191), (612, 33593), (714, 28794), (1071, 19196), (1428, 14397), (2142, 9598), (4284, 4799)]