20147251012

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1238459}}^1$

素因数の和:1238560

約数の個数: 36

約数和(自身を含む): 41508225360

約数和(自身を除く): 21360974348

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1162, 2324, 4067, 8134, 16268, 1238459, 2476918, 4953836, 8669213, 17338426, 34676852, 60684491, 102792097, 121368982, 205584194, 242737964, 411168388, 719544679, 1439089358, 2878178716, 5036812753, 10073625506, 20147251012]

約数ペア:

[(1, 20147251012), (2, 10073625506), (4, 5036812753), (7, 2878178716), (14, 1439089358), (28, 719544679), (49, 411168388), (83, 242737964), (98, 205584194), (166, 121368982), (196, 102792097), (332, 60684491), (581, 34676852), (1162, 17338426), (2324, 8669213), (4067, 4953836), (8134, 2476918), (16268, 1238459)]