20180471984

素因数分解:

$2^4\times {\mathrm{23279}}^1\times {\mathrm{54181}}^1$

素因数の和:77468

約数の個数: 20

約数和(自身を含む): 39102065760

約数和(自身を除く): 18921593776

約数列:

[1, 2, 4, 8, 16, 23279, 46558, 54181, 93116, 108362, 186232, 216724, 372464, 433448, 866896, 1261279499, 2522558998, 5045117996, 10090235992, 20180471984]

約数ペア:

[(1, 20180471984), (2, 10090235992), (4, 5045117996), (8, 2522558998), (16, 1261279499), (23279, 866896), (46558, 433448), (54181, 372464), (93116, 216724), (108362, 186232)]