20199789708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{107981}}^1$

素因数の和:108143

約数の個数: 96

約数和(自身を含む): 57470611968

約数和(自身を除く): 37270822260

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 131, 204, 238, 262, 357, 393, 476, 524, 714, 786, 917, 1428, 1572, 1834, 2227, 2751, 3668, 4454, 5502, 6681, 8908, 11004, 13362, 15589, 26724, 31178, 46767, 62356, 93534, 107981, 187068, 215962, 323943, 431924, 647886, 755867, 1295772, 1511734, 1835677, 2267601, 3023468, 3671354, 4535202, 5507031, 7342708, 9070404, 11014062, 12849739, 14145511, 22028124, 25699478, 28291022, 38549217, 42436533, 51398956, 56582044, 77098434, 84873066, 99018577, 154196868, 169746132, 198037154, 240473687, 297055731, 396074308, 480947374, 594111462, 721421061, 961894748, 1188222924, 1442842122, 1683315809, 2885684244, 3366631618, 5049947427, 6733263236, 10099894854, 20199789708]

約数ペア:

[(1, 20199789708), (2, 10099894854), (3, 6733263236), (4, 5049947427), (6, 3366631618), (7, 2885684244), (12, 1683315809), (14, 1442842122), (17, 1188222924), (21, 961894748), (28, 721421061), (34, 594111462), (42, 480947374), (51, 396074308), (68, 297055731), (84, 240473687), (102, 198037154), (119, 169746132), (131, 154196868), (204, 99018577), (238, 84873066), (262, 77098434), (357, 56582044), (393, 51398956), (476, 42436533), (524, 38549217), (714, 28291022), (786, 25699478), (917, 22028124), (1428, 14145511), (1572, 12849739), (1834, 11014062), (2227, 9070404), (2751, 7342708), (3668, 5507031), (4454, 4535202), (5502, 3671354), (6681, 3023468), (8908, 2267601), (11004, 1835677), (13362, 1511734), (15589, 1295772), (26724, 755867), (31178, 647886), (46767, 431924), (62356, 323943), (93534, 215962), (107981, 187068)]