20442891

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 33274368

約数和(自身を除く): 12831477

約数列:

[1, 3, 7, 17, 21, 51, 119, 173, 331, 357, 519, 993, 1211, 2317, 2941, 3633, 5627, 6951, 8823, 16881, 20587, 39389, 57263, 61761, 118167, 171789, 400841, 973471, 1202523, 2920413, 6814297, 20442891]

約数ペア:

[(1, 20442891), (3, 6814297), (7, 2920413), (17, 1202523), (21, 973471), (51, 400841), (119, 171789), (173, 118167), (331, 61761), (357, 57263), (519, 39389), (993, 20587), (1211, 16881), (2317, 8823), (2941, 6951), (3633, 5627)]