20481912

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2351}}^1$

素因数の和:2385

約数の個数: 72

約数和(自身を含む): 60999120

約数和(自身を除く): 40517208

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2351, 2904, 4356, 4702, 7053, 8712, 9404, 14106, 18808, 21159, 25861, 28212, 42318, 51722, 56424, 77583, 84636, 103444, 155166, 169272, 206888, 232749, 284471, 310332, 465498, 568942, 620664, 853413, 930996, 1137884, 1706826, 1861992, 2275768, 2560239, 3413652, 5120478, 6827304, 10240956, 20481912]

約数ペア:

[(1, 20481912), (2, 10240956), (3, 6827304), (4, 5120478), (6, 3413652), (8, 2560239), (9, 2275768), (11, 1861992), (12, 1706826), (18, 1137884), (22, 930996), (24, 853413), (33, 620664), (36, 568942), (44, 465498), (66, 310332), (72, 284471), (88, 232749), (99, 206888), (121, 169272), (132, 155166), (198, 103444), (242, 84636), (264, 77583), (363, 56424), (396, 51722), (484, 42318), (726, 28212), (792, 25861), (968, 21159), (1089, 18808), (1452, 14106), (2178, 9404), (2351, 8712), (2904, 7053), (4356, 4702)]