20201993786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{123667}}^1$

素因数の和:123846

約数の個数: 32

約数和(自身を含む): 33491273088

約数和(自身を除く): 13289279302

約数列:

[1, 2, 13, 26, 61, 103, 122, 206, 793, 1339, 1586, 2678, 6283, 12566, 81679, 123667, 163358, 247334, 1607671, 3215342, 7543687, 12737701, 15087374, 25475402, 98067931, 165590113, 196135862, 331180226, 776999761, 1553999522, 10100996893, 20201993786]

約数ペア:

[(1, 20201993786), (2, 10100996893), (13, 1553999522), (26, 776999761), (61, 331180226), (103, 196135862), (122, 165590113), (206, 98067931), (793, 25475402), (1339, 15087374), (1586, 12737701), (2678, 7543687), (6283, 3215342), (12566, 1607671), (81679, 247334), (123667, 163358)]