20219664

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 56246400

約数和(自身を除く): 36026736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 71, 102, 136, 142, 204, 213, 272, 284, 349, 408, 426, 568, 698, 816, 852, 1047, 1136, 1207, 1396, 1704, 2094, 2414, 2792, 3408, 3621, 4188, 4828, 5584, 5933, 7242, 8376, 9656, 11866, 14484, 16752, 17799, 19312, 23732, 24779, 28968, 35598, 47464, 49558, 57936, 71196, 74337, 94928, 99116, 142392, 148674, 198232, 284784, 297348, 396464, 421243, 594696, 842486, 1189392, 1263729, 1684972, 2527458, 3369944, 5054916, 6739888, 10109832, 20219664]

約数ペア:

[(1, 20219664), (2, 10109832), (3, 6739888), (4, 5054916), (6, 3369944), (8, 2527458), (12, 1684972), (16, 1263729), (17, 1189392), (24, 842486), (34, 594696), (48, 421243), (51, 396464), (68, 297348), (71, 284784), (102, 198232), (136, 148674), (142, 142392), (204, 99116), (213, 94928), (272, 74337), (284, 71196), (349, 57936), (408, 49558), (426, 47464), (568, 35598), (698, 28968), (816, 24779), (852, 23732), (1047, 19312), (1136, 17799), (1207, 16752), (1396, 14484), (1704, 11866), (2094, 9656), (2414, 8376), (2792, 7242), (3408, 5933), (3621, 5584), (4188, 4828)]