20081605467

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{203591}}^1$

素因数の和:203680

約数の個数: 48

約数和(自身を含む): 34535718144

約数和(自身を除く): 14454112677

約数列:

[1, 3, 7, 11, 21, 33, 49, 61, 77, 147, 183, 231, 427, 539, 671, 1281, 1617, 2013, 2989, 4697, 8967, 14091, 32879, 98637, 203591, 610773, 1425137, 2239501, 4275411, 6718503, 9975959, 12419051, 15676507, 29927877, 37257153, 47029521, 86933357, 109735549, 136609561, 260800071, 329206647, 409828683, 608533499, 956266927, 1825600497, 2868800781, 6693868489, 20081605467]

約数ペア:

[(1, 20081605467), (3, 6693868489), (7, 2868800781), (11, 1825600497), (21, 956266927), (33, 608533499), (49, 409828683), (61, 329206647), (77, 260800071), (147, 136609561), (183, 109735549), (231, 86933357), (427, 47029521), (539, 37257153), (671, 29927877), (1281, 15676507), (1617, 12419051), (2013, 9975959), (2989, 6718503), (4697, 4275411), (8967, 2239501), (14091, 1425137), (32879, 610773), (98637, 203591)]