20508780608

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{1873}}^1\times {\mathrm{5519}}^1$

素因数の和:7435

約数の個数: 56

約数和(自身を含む): 42039966720

約数和(自身を除く): 21531186112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1873, 1984, 3746, 5519, 7492, 11038, 14984, 22076, 29968, 44152, 58063, 59936, 88304, 116126, 119872, 171089, 176608, 232252, 342178, 353216, 464504, 684356, 929008, 1368712, 1858016, 2737424, 3716032, 5474848, 10337087, 10949696, 20674174, 41348348, 82696696, 165393392, 320449697, 330786784, 640899394, 661573568, 1281798788, 2563597576, 5127195152, 10254390304, 20508780608]

約数ペア:

[(1, 20508780608), (2, 10254390304), (4, 5127195152), (8, 2563597576), (16, 1281798788), (31, 661573568), (32, 640899394), (62, 330786784), (64, 320449697), (124, 165393392), (248, 82696696), (496, 41348348), (992, 20674174), (1873, 10949696), (1984, 10337087), (3746, 5474848), (5519, 3716032), (7492, 2737424), (11038, 1858016), (14984, 1368712), (22076, 929008), (29968, 684356), (44152, 464504), (58063, 353216), (59936, 342178), (88304, 232252), (116126, 176608), (119872, 171089)]