20429104

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 45532800

約数和(自身を除く): 25103696

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 59, 67, 68, 76, 118, 134, 136, 152, 236, 268, 272, 304, 323, 472, 536, 646, 944, 1003, 1072, 1121, 1139, 1273, 1292, 2006, 2242, 2278, 2546, 2584, 3953, 4012, 4484, 4556, 5092, 5168, 7906, 8024, 8968, 9112, 10184, 15812, 16048, 17936, 18224, 19057, 20368, 21641, 31624, 38114, 43282, 63248, 67201, 75107, 76228, 86564, 134402, 150214, 152456, 173128, 268804, 300428, 304912, 346256, 537608, 600856, 1075216, 1201712, 1276819, 2553638, 5107276, 10214552, 20429104]

約数ペア:

[(1, 20429104), (2, 10214552), (4, 5107276), (8, 2553638), (16, 1276819), (17, 1201712), (19, 1075216), (34, 600856), (38, 537608), (59, 346256), (67, 304912), (68, 300428), (76, 268804), (118, 173128), (134, 152456), (136, 150214), (152, 134402), (236, 86564), (268, 76228), (272, 75107), (304, 67201), (323, 63248), (472, 43282), (536, 38114), (646, 31624), (944, 21641), (1003, 20368), (1072, 19057), (1121, 18224), (1139, 17936), (1273, 16048), (1292, 15812), (2006, 10184), (2242, 9112), (2278, 8968), (2546, 8024), (2584, 7906), (3953, 5168), (4012, 5092), (4484, 4556)]