20187969982

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 34312245408

約数和(自身を除く): 14124275426

約数列:

[1, 2, 17, 34, 43, 53, 73, 83, 86, 106, 146, 166, 731, 901, 1241, 1411, 1462, 1802, 1849, 2279, 2482, 2822, 3139, 3569, 3698, 3869, 4399, 4558, 6059, 6278, 7138, 7738, 8798, 12118, 31433, 38743, 53363, 60673, 62866, 65773, 74783, 77486, 97997, 103003, 106726, 121346, 131546, 134977, 149566, 153467, 166367, 189157, 195994, 206006, 260537, 269954, 306934, 321127, 332734, 378314, 521074, 642254, 1665949, 2294609, 2608939, 2828239, 3215669, 3331898, 4429129, 4589218, 5217878, 5459159, 5656478, 6431338, 7153781, 8133751, 8858258, 10918318, 11203091, 13808461, 14307562, 16267502, 22406182, 27616922, 121614277, 138273767, 190452547, 234743837, 243228554, 276547534, 380905094, 469487674, 593763823, 1187527646, 10093984991, 20187969982]

約数ペア:

[(1, 20187969982), (2, 10093984991), (17, 1187527646), (34, 593763823), (43, 469487674), (53, 380905094), (73, 276547534), (83, 243228554), (86, 234743837), (106, 190452547), (146, 138273767), (166, 121614277), (731, 27616922), (901, 22406182), (1241, 16267502), (1411, 14307562), (1462, 13808461), (1802, 11203091), (1849, 10918318), (2279, 8858258), (2482, 8133751), (2822, 7153781), (3139, 6431338), (3569, 5656478), (3698, 5459159), (3869, 5217878), (4399, 4589218), (4558, 4429129), (6059, 3331898), (6278, 3215669), (7138, 2828239), (7738, 2608939), (8798, 2294609), (12118, 1665949), (31433, 642254), (38743, 521074), (53363, 378314), (60673, 332734), (62866, 321127), (65773, 306934), (74783, 269954), (77486, 260537), (97997, 206006), (103003, 195994), (106726, 189157), (121346, 166367), (131546, 153467), (134977, 149566)]