20710320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86293}}^1$

素因数の和:86309

約数の個数: 40

約数和(自身を含む): 64202736

約数和(自身を除く): 43492416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86293, 172586, 258879, 345172, 431465, 517758, 690344, 862930, 1035516, 1294395, 1380688, 1725860, 2071032, 2588790, 3451720, 4142064, 5177580, 6903440, 10355160, 20710320]

約数ペア:

[(1, 20710320), (2, 10355160), (3, 6903440), (4, 5177580), (5, 4142064), (6, 3451720), (8, 2588790), (10, 2071032), (12, 1725860), (15, 1380688), (16, 1294395), (20, 1035516), (24, 862930), (30, 690344), (40, 517758), (48, 431465), (60, 345172), (80, 258879), (120, 172586), (240, 86293)]