20147802608

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{1117}}^1\times {\mathrm{15443}}^1$

素因数の和:16641

約数の個数: 40

約数和(自身を含む): 39609103248

約数和(自身を除く): 19461300640

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1117, 1168, 2234, 4468, 8936, 15443, 17872, 30886, 61772, 81541, 123544, 163082, 247088, 326164, 652328, 1127339, 1304656, 2254678, 4509356, 9018712, 17249831, 18037424, 34499662, 68999324, 137998648, 275997296, 1259237663, 2518475326, 5036950652, 10073901304, 20147802608]

約数ペア:

[(1, 20147802608), (2, 10073901304), (4, 5036950652), (8, 2518475326), (16, 1259237663), (73, 275997296), (146, 137998648), (292, 68999324), (584, 34499662), (1117, 18037424), (1168, 17249831), (2234, 9018712), (4468, 4509356), (8936, 2254678), (15443, 1304656), (17872, 1127339), (30886, 652328), (61772, 326164), (81541, 247088), (123544, 163082)]