20178077169

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1\times {\mathrm{7607}}^1$

素因数の和:8709

約数の個数: 32

約数和(自身を含む): 28864143360

約数和(自身を除く): 8686066191

約数列:

[1, 3, 23, 37, 69, 111, 851, 1039, 2553, 3117, 7607, 22821, 23897, 38443, 71691, 115329, 174961, 281459, 524883, 844377, 884189, 2652567, 6473557, 7903673, 19420671, 23711019, 181784479, 292435901, 545353437, 877307703, 6726025723, 20178077169]

約数ペア:

[(1, 20178077169), (3, 6726025723), (23, 877307703), (37, 545353437), (69, 292435901), (111, 181784479), (851, 23711019), (1039, 19420671), (2553, 7903673), (3117, 6473557), (7607, 2652567), (22821, 884189), (23897, 844377), (38443, 524883), (71691, 281459), (115329, 174961)]