20863570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 46884096

約数和(自身を除く): 26020526

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 101, 130, 182, 202, 227, 454, 455, 505, 707, 910, 1010, 1135, 1313, 1414, 1589, 2270, 2626, 2951, 3178, 3535, 5902, 6565, 7070, 7945, 9191, 13130, 14755, 15890, 18382, 20657, 22927, 29510, 41314, 45854, 45955, 91910, 103285, 114635, 160489, 206570, 229270, 298051, 320978, 596102, 802445, 1490255, 1604890, 2086357, 2980510, 4172714, 10431785, 20863570]

約数ペア:

[(1, 20863570), (2, 10431785), (5, 4172714), (7, 2980510), (10, 2086357), (13, 1604890), (14, 1490255), (26, 802445), (35, 596102), (65, 320978), (70, 298051), (91, 229270), (101, 206570), (130, 160489), (182, 114635), (202, 103285), (227, 91910), (454, 45955), (455, 45854), (505, 41314), (707, 29510), (910, 22927), (1010, 20657), (1135, 18382), (1313, 15890), (1414, 14755), (1589, 13130), (2270, 9191), (2626, 7945), (2951, 7070), (3178, 6565), (3535, 5902)]