20107912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2753}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 41640480

約数和(自身を除く): 21532568

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 166, 332, 664, 913, 1826, 2753, 3652, 5506, 7304, 11012, 22024, 30283, 60566, 121132, 228499, 242264, 456998, 913996, 1827992, 2513489, 5026978, 10053956, 20107912]

約数ペア:

[(1, 20107912), (2, 10053956), (4, 5026978), (8, 2513489), (11, 1827992), (22, 913996), (44, 456998), (83, 242264), (88, 228499), (166, 121132), (332, 60566), (664, 30283), (913, 22024), (1826, 11012), (2753, 7304), (3652, 5506)]