20797643027

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{25127}}^1$

素因数の和:25307

約数の個数: 32

約数和(自身を含む): 25531656192

約数和(自身を除く): 4734013165

約数列:

[1, 7, 23, 53, 97, 161, 371, 679, 1219, 2231, 5141, 8533, 15617, 25127, 35987, 118243, 175889, 577921, 827701, 1331731, 2437319, 4045447, 9322117, 17061233, 30629813, 56058337, 129177907, 214408691, 392408359, 904245349, 2971091861, 20797643027]

約数ペア:

[(1, 20797643027), (7, 2971091861), (23, 904245349), (53, 392408359), (97, 214408691), (161, 129177907), (371, 56058337), (679, 30629813), (1219, 17061233), (2231, 9322117), (5141, 4045447), (8533, 2437319), (15617, 1331731), (25127, 827701), (35987, 577921), (118243, 175889)]