20881569232

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{1489}}^1\times {\mathrm{23689}}^1$

素因数の和:25223

約数の個数: 40

約数和(自身を含む): 41581161800

約数和(自身を除く): 20699592568

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 1489, 2978, 5956, 11912, 23689, 23824, 47378, 55093, 94756, 110186, 189512, 220372, 379024, 440744, 876493, 881488, 1752986, 3505972, 7011944, 14023888, 35272921, 70545842, 141091684, 282183368, 564366736, 1305098077, 2610196154, 5220392308, 10440784616, 20881569232]

約数ペア:

[(1, 20881569232), (2, 10440784616), (4, 5220392308), (8, 2610196154), (16, 1305098077), (37, 564366736), (74, 282183368), (148, 141091684), (296, 70545842), (592, 35272921), (1489, 14023888), (2978, 7011944), (5956, 3505972), (11912, 1752986), (23689, 881488), (23824, 876493), (47378, 440744), (55093, 379024), (94756, 220372), (110186, 189512)]