20349735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 39674880

約数和(自身を除く): 19325145

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 41, 87, 105, 123, 145, 163, 203, 205, 287, 435, 489, 609, 615, 815, 861, 1015, 1141, 1189, 1435, 2445, 3045, 3423, 3567, 4305, 4727, 5705, 5945, 6683, 8323, 14181, 17115, 17835, 20049, 23635, 24969, 33089, 33415, 41615, 46781, 70905, 99267, 100245, 124845, 140343, 165445, 193807, 233905, 496335, 581421, 701715, 969035, 1356649, 2907105, 4069947, 6783245, 20349735]

約数ペア:

[(1, 20349735), (3, 6783245), (5, 4069947), (7, 2907105), (15, 1356649), (21, 969035), (29, 701715), (35, 581421), (41, 496335), (87, 233905), (105, 193807), (123, 165445), (145, 140343), (163, 124845), (203, 100245), (205, 99267), (287, 70905), (435, 46781), (489, 41615), (609, 33415), (615, 33089), (815, 24969), (861, 23635), (1015, 20049), (1141, 17835), (1189, 17115), (1435, 14181), (2445, 8323), (3045, 6683), (3423, 5945), (3567, 5705), (4305, 4727)]