20187948248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1\times {\mathrm{7699}}^1$

素因数の和:9064

約数の個数: 64

約数和(自身を含む): 42947520000

約数和(自身を除く): 22759571752

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1327, 1976, 2654, 5308, 7699, 10616, 15398, 17251, 25213, 30796, 34502, 50426, 61592, 69004, 100087, 100852, 138008, 146281, 200174, 201704, 292562, 327769, 400348, 585124, 655538, 800696, 1170248, 1311076, 1901653, 2622152, 3803306, 7606612, 10216573, 15213224, 20433146, 40866292, 81732584, 132815449, 194114887, 265630898, 388229774, 531261796, 776459548, 1062523592, 1552919096, 2523493531, 5046987062, 10093974124, 20187948248]

約数ペア:

[(1, 20187948248), (2, 10093974124), (4, 5046987062), (8, 2523493531), (13, 1552919096), (19, 1062523592), (26, 776459548), (38, 531261796), (52, 388229774), (76, 265630898), (104, 194114887), (152, 132815449), (247, 81732584), (494, 40866292), (988, 20433146), (1327, 15213224), (1976, 10216573), (2654, 7606612), (5308, 3803306), (7699, 2622152), (10616, 1901653), (15398, 1311076), (17251, 1170248), (25213, 800696), (30796, 655538), (34502, 585124), (50426, 400348), (61592, 327769), (69004, 292562), (100087, 201704), (100852, 200174), (138008, 146281)]