20199592

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1831}}^1$

素因数の和:2041

約数の個数: 32

約数和(自身を含む): 43528320

約数和(自身を除く): 23328728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 1831, 2758, 3662, 5516, 7324, 11032, 12817, 14648, 25634, 51268, 102536, 360707, 721414, 1442828, 2524949, 2885656, 5049898, 10099796, 20199592]

約数ペア:

[(1, 20199592), (2, 10099796), (4, 5049898), (7, 2885656), (8, 2524949), (14, 1442828), (28, 721414), (56, 360707), (197, 102536), (394, 51268), (788, 25634), (1379, 14648), (1576, 12817), (1831, 11032), (2758, 7324), (3662, 5516)]