20563168

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1151

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 23466272

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1091, 1178, 2182, 2356, 4364, 4712, 8728, 9424, 17456, 18848, 20729, 33821, 34912, 41458, 67642, 82916, 135284, 165832, 270568, 331664, 541136, 642599, 663328, 1082272, 1285198, 2570396, 5140792, 10281584, 20563168]

約数ペア:

[(1, 20563168), (2, 10281584), (4, 5140792), (8, 2570396), (16, 1285198), (19, 1082272), (31, 663328), (32, 642599), (38, 541136), (62, 331664), (76, 270568), (124, 165832), (152, 135284), (248, 82916), (304, 67642), (496, 41458), (589, 34912), (608, 33821), (992, 20729), (1091, 18848), (1178, 17456), (2182, 9424), (2356, 8728), (4364, 4712)]