20350190

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 25009810

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 343, 349, 490, 595, 686, 698, 833, 1190, 1666, 1715, 1745, 2443, 3430, 3490, 4165, 4886, 5831, 5933, 8330, 11662, 11866, 12215, 17101, 24430, 29155, 29665, 34202, 41531, 58310, 59330, 83062, 85505, 119707, 171010, 207655, 239414, 290717, 415310, 581434, 598535, 1197070, 1453585, 2035019, 2907170, 4070038, 10175095, 20350190]

約数ペア:

[(1, 20350190), (2, 10175095), (5, 4070038), (7, 2907170), (10, 2035019), (14, 1453585), (17, 1197070), (34, 598535), (35, 581434), (49, 415310), (70, 290717), (85, 239414), (98, 207655), (119, 171010), (170, 119707), (238, 85505), (245, 83062), (343, 59330), (349, 58310), (490, 41531), (595, 34202), (686, 29665), (698, 29155), (833, 24430), (1190, 17101), (1666, 12215), (1715, 11866), (1745, 11662), (2443, 8330), (3430, 5933), (3490, 5831), (4165, 4886)]