20139846064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1\times {\mathrm{1123}}^1$

素因数の和:1866

約数の個数: 80

約数和(自身を含む): 42412674304

約数和(自身を除く): 22272828240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 151, 208, 302, 571, 604, 1123, 1142, 1208, 1963, 2246, 2284, 2416, 3926, 4492, 4568, 7423, 7852, 8984, 9136, 14599, 14846, 15704, 17968, 29198, 29692, 31408, 58396, 59384, 86221, 116792, 118768, 169573, 172442, 233584, 339146, 344884, 641233, 678292, 689768, 1120873, 1282466, 1356584, 1379536, 2204449, 2241746, 2564932, 2713168, 4408898, 4483492, 5129864, 8336029, 8817796, 8966984, 10259728, 16672058, 17635592, 17933968, 33344116, 35271184, 66688232, 96826183, 133376464, 193652366, 387304732, 774609464, 1258740379, 1549218928, 2517480758, 5034961516, 10069923032, 20139846064]

約数ペア:

[(1, 20139846064), (2, 10069923032), (4, 5034961516), (8, 2517480758), (13, 1549218928), (16, 1258740379), (26, 774609464), (52, 387304732), (104, 193652366), (151, 133376464), (208, 96826183), (302, 66688232), (571, 35271184), (604, 33344116), (1123, 17933968), (1142, 17635592), (1208, 16672058), (1963, 10259728), (2246, 8966984), (2284, 8817796), (2416, 8336029), (3926, 5129864), (4492, 4483492), (4568, 4408898), (7423, 2713168), (7852, 2564932), (8984, 2241746), (9136, 2204449), (14599, 1379536), (14846, 1356584), (15704, 1282466), (17968, 1120873), (29198, 689768), (29692, 678292), (31408, 641233), (58396, 344884), (59384, 339146), (86221, 233584), (116792, 172442), (118768, 169573)]