20199897998

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{367}}^1\times {\mathrm{823}}^1$

素因数の和:1497

約数の個数: 64

約数和(自身を含む): 36940935168

約数和(自身を除く): 16741037170

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 281, 367, 562, 734, 823, 1646, 1967, 2569, 3934, 4777, 5138, 5761, 6239, 9554, 11522, 12478, 13991, 27982, 33439, 43673, 66878, 87346, 97937, 103127, 195874, 206254, 231263, 302041, 462526, 604082, 721889, 1443778, 1618841, 1753159, 2114287, 3237682, 3506318, 3931471, 4228574, 5134697, 7862942, 10269394, 12272113, 24544226, 27520297, 35942879, 55040594, 71885758, 84873521, 169747042, 594114647, 1188229294, 1442849857, 2885699714, 10099948999, 20199897998]

約数ペア:

[(1, 20199897998), (2, 10099948999), (7, 2885699714), (14, 1442849857), (17, 1188229294), (34, 594114647), (119, 169747042), (238, 84873521), (281, 71885758), (367, 55040594), (562, 35942879), (734, 27520297), (823, 24544226), (1646, 12272113), (1967, 10269394), (2569, 7862942), (3934, 5134697), (4777, 4228574), (5138, 3931471), (5761, 3506318), (6239, 3237682), (9554, 2114287), (11522, 1753159), (12478, 1618841), (13991, 1443778), (27982, 721889), (33439, 604082), (43673, 462526), (66878, 302041), (87346, 231263), (97937, 206254), (103127, 195874)]