20187948235

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{8597}}^1$

素因数の和:9032

約数の個数: 48

約数和(自身を含む): 30058883136

約数和(自身を除く): 9870934901

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 397, 455, 845, 1183, 1985, 2779, 5161, 5915, 8597, 13895, 25805, 36127, 42985, 60179, 67093, 111761, 180635, 300895, 335465, 469651, 558805, 782327, 1452893, 2348255, 3413009, 3911635, 7264465, 10170251, 17065045, 23891063, 44369117, 50851255, 119455315, 221845585, 310583819, 576798521, 1552919095, 2883992605, 4037589647, 20187948235]

約数ペア:

[(1, 20187948235), (5, 4037589647), (7, 2883992605), (13, 1552919095), (35, 576798521), (65, 310583819), (91, 221845585), (169, 119455315), (397, 50851255), (455, 44369117), (845, 23891063), (1183, 17065045), (1985, 10170251), (2779, 7264465), (5161, 3911635), (5915, 3413009), (8597, 2348255), (13895, 1452893), (25805, 782327), (36127, 558805), (42985, 469651), (60179, 335465), (67093, 300895), (111761, 180635)]