20174514921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^2$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 32719718304

約数和(自身を除く): 12545203383

約数列:

[1, 3, 9, 11, 33, 67, 99, 137, 149, 201, 411, 447, 603, 737, 1233, 1341, 1507, 1639, 2211, 4521, 4917, 6633, 9179, 9983, 13563, 14751, 20413, 22201, 27537, 29949, 61239, 66603, 82611, 89847, 100969, 109813, 183717, 199809, 224543, 244211, 302907, 329439, 673629, 732633, 908721, 988317, 1367671, 1487467, 2020887, 2197899, 3041537, 4103013, 4462401, 9124611, 12309039, 13387203, 15044381, 16362137, 27373833, 33456907, 45133143, 49086411, 100370721, 135399429, 147259233, 203782979, 301112163, 611348937, 1834046811, 2241612769, 6724838307, 20174514921]

約数ペア:

[(1, 20174514921), (3, 6724838307), (9, 2241612769), (11, 1834046811), (33, 611348937), (67, 301112163), (99, 203782979), (137, 147259233), (149, 135399429), (201, 100370721), (411, 49086411), (447, 45133143), (603, 33456907), (737, 27373833), (1233, 16362137), (1341, 15044381), (1507, 13387203), (1639, 12309039), (2211, 9124611), (4521, 4462401), (4917, 4103013), (6633, 3041537), (9179, 2197899), (9983, 2020887), (13563, 1487467), (14751, 1367671), (20413, 988317), (22201, 908721), (27537, 732633), (29949, 673629), (61239, 329439), (66603, 302907), (82611, 244211), (89847, 224543), (100969, 199809), (109813, 183717)]