9720920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22093}}^1$

素因数の和:22115

約数の個数: 32

約数和(自身を含む): 23861520

約数和(自身を除く): 14140600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 22093, 44186, 88372, 110465, 176744, 220930, 243023, 441860, 486046, 883720, 972092, 1215115, 1944184, 2430230, 4860460, 9720920]

約数ペア:

[(1, 9720920), (2, 4860460), (4, 2430230), (5, 1944184), (8, 1215115), (10, 972092), (11, 883720), (20, 486046), (22, 441860), (40, 243023), (44, 220930), (55, 176744), (88, 110465), (110, 88372), (220, 44186), (440, 22093)]