20397499048

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{509}}^1\times {\mathrm{22067}}^1$

素因数の和:22809

約数の個数: 32

約数和(自身を含む): 38491005600

約数和(自身を除く): 18093506552

約数列:

[1, 2, 4, 8, 227, 454, 509, 908, 1018, 1816, 2036, 4072, 22067, 44134, 88268, 115543, 176536, 231086, 462172, 924344, 5009209, 10018418, 11232103, 20036836, 22464206, 40073672, 44928412, 89856824, 2549687381, 5099374762, 10198749524, 20397499048]

約数ペア:

[(1, 20397499048), (2, 10198749524), (4, 5099374762), (8, 2549687381), (227, 89856824), (454, 44928412), (509, 40073672), (908, 22464206), (1018, 20036836), (1816, 11232103), (2036, 10018418), (4072, 5009209), (22067, 924344), (44134, 462172), (88268, 231086), (115543, 176536)]