20121662028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{258487}}^1$

素因数の和:259006

約数の個数: 48

約数和(自身を含む): 50663648000

約数和(自身を除く): 30541985972

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 499, 998, 1497, 1996, 2994, 5988, 6487, 12974, 19461, 25948, 38922, 77844, 258487, 516974, 775461, 1033948, 1550922, 3101844, 3360331, 6720662, 10080993, 13441324, 20161986, 40323972, 128985013, 257970026, 386955039, 515940052, 773910078, 1547820156, 1676805169, 3353610338, 5030415507, 6707220676, 10060831014, 20121662028]

約数ペア:

[(1, 20121662028), (2, 10060831014), (3, 6707220676), (4, 5030415507), (6, 3353610338), (12, 1676805169), (13, 1547820156), (26, 773910078), (39, 515940052), (52, 386955039), (78, 257970026), (156, 128985013), (499, 40323972), (998, 20161986), (1497, 13441324), (1996, 10080993), (2994, 6720662), (5988, 3360331), (6487, 3101844), (12974, 1550922), (19461, 1033948), (25948, 775461), (38922, 516974), (77844, 258487)]