20129787584

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{48817}}^1$

素因数の和:49225

約数の個数: 56

約数和(自身を含む): 42407220240

約数和(自身を除く): 22277432656

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 379, 544, 758, 1088, 1516, 3032, 6064, 6443, 12128, 12886, 24256, 25772, 48817, 51544, 97634, 103088, 195268, 206176, 390536, 412352, 781072, 829889, 1562144, 1659778, 3124288, 3319556, 6639112, 13278224, 18501643, 26556448, 37003286, 53112896, 74006572, 148013144, 296026288, 314527931, 592052576, 629055862, 1184105152, 1258111724, 2516223448, 5032446896, 10064893792, 20129787584]

約数ペア:

[(1, 20129787584), (2, 10064893792), (4, 5032446896), (8, 2516223448), (16, 1258111724), (17, 1184105152), (32, 629055862), (34, 592052576), (64, 314527931), (68, 296026288), (136, 148013144), (272, 74006572), (379, 53112896), (544, 37003286), (758, 26556448), (1088, 18501643), (1516, 13278224), (3032, 6639112), (6064, 3319556), (6443, 3124288), (12128, 1659778), (12886, 1562144), (24256, 829889), (25772, 781072), (48817, 412352), (51544, 390536), (97634, 206176), (103088, 195268)]