20588428

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 45849888

約数和(自身を除く): 25261460

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 49, 68, 74, 98, 119, 148, 167, 196, 238, 259, 334, 476, 518, 629, 668, 833, 1036, 1169, 1258, 1666, 1813, 2338, 2516, 2839, 3332, 3626, 4403, 4676, 5678, 6179, 7252, 8183, 8806, 11356, 12358, 16366, 17612, 19873, 24716, 30821, 32732, 39746, 43253, 61642, 79492, 86506, 105043, 123284, 139111, 173012, 210086, 278222, 302771, 420172, 556444, 605542, 735301, 1211084, 1470602, 2941204, 5147107, 10294214, 20588428]

約数ペア:

[(1, 20588428), (2, 10294214), (4, 5147107), (7, 2941204), (14, 1470602), (17, 1211084), (28, 735301), (34, 605542), (37, 556444), (49, 420172), (68, 302771), (74, 278222), (98, 210086), (119, 173012), (148, 139111), (167, 123284), (196, 105043), (238, 86506), (259, 79492), (334, 61642), (476, 43253), (518, 39746), (629, 32732), (668, 30821), (833, 24716), (1036, 19873), (1169, 17612), (1258, 16366), (1666, 12358), (1813, 11356), (2338, 8806), (2516, 8183), (2839, 7252), (3332, 6179), (3626, 5678), (4403, 4676)]