20120704252

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{10313}}^1$

素因数の和:10507

約数の個数: 72

約数和(自身を含む): 40329802800

約数和(自身を除く): 20209098548

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 139, 242, 278, 319, 484, 556, 638, 1276, 1529, 3058, 3509, 4031, 6116, 7018, 8062, 10313, 14036, 16124, 16819, 20626, 33638, 41252, 44341, 67276, 88682, 113443, 177364, 226886, 299077, 453772, 487751, 598154, 975502, 1196308, 1247873, 1433507, 1951004, 2495746, 2867014, 3289847, 4991492, 5734028, 6579694, 13159388, 15768577, 31537154, 36188317, 41571703, 63074308, 72376634, 83143406, 144753268, 166286812, 173454347, 346908694, 457288733, 693817388, 914577466, 1829154932, 5030176063, 10060352126, 20120704252]

約数ペア:

[(1, 20120704252), (2, 10060352126), (4, 5030176063), (11, 1829154932), (22, 914577466), (29, 693817388), (44, 457288733), (58, 346908694), (116, 173454347), (121, 166286812), (139, 144753268), (242, 83143406), (278, 72376634), (319, 63074308), (484, 41571703), (556, 36188317), (638, 31537154), (1276, 15768577), (1529, 13159388), (3058, 6579694), (3509, 5734028), (4031, 4991492), (6116, 3289847), (7018, 2867014), (8062, 2495746), (10313, 1951004), (14036, 1433507), (16124, 1247873), (16819, 1196308), (20626, 975502), (33638, 598154), (41252, 487751), (44341, 453772), (67276, 299077), (88682, 226886), (113443, 177364)]