20571504

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10453}}^1$

素因数の和:10505

約数の個数: 40

約数和(自身を含む): 54444432

約数和(自身を除く): 33872928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10453, 20906, 31359, 41812, 62718, 83624, 125436, 167248, 250872, 428573, 501744, 857146, 1285719, 1714292, 2571438, 3428584, 5142876, 6857168, 10285752, 20571504]

約数ペア:

[(1, 20571504), (2, 10285752), (3, 6857168), (4, 5142876), (6, 3428584), (8, 2571438), (12, 1714292), (16, 1285719), (24, 857146), (41, 501744), (48, 428573), (82, 250872), (123, 167248), (164, 125436), (246, 83624), (328, 62718), (492, 41812), (656, 31359), (984, 20906), (1968, 10453)]