20191607975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{54917}}^1$

素因数の和:55136

約数の個数: 48

約数和(自身を含む): 31379705856

約数和(自身を除く): 11188097881

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 191, 275, 385, 955, 1337, 1925, 2101, 4775, 6685, 10505, 14707, 33425, 52525, 54917, 73535, 274585, 367675, 384419, 604087, 1372925, 1922095, 3020435, 4228609, 9610475, 10489147, 15102175, 21143045, 52445735, 73424029, 105715225, 115380617, 262228675, 367120145, 576903085, 807664319, 1835600725, 2884515425, 4038321595, 20191607975]

約数ペア:

[(1, 20191607975), (5, 4038321595), (7, 2884515425), (11, 1835600725), (25, 807664319), (35, 576903085), (55, 367120145), (77, 262228675), (175, 115380617), (191, 105715225), (275, 73424029), (385, 52445735), (955, 21143045), (1337, 15102175), (1925, 10489147), (2101, 9610475), (4775, 4228609), (6685, 3020435), (10505, 1922095), (14707, 1372925), (33425, 604087), (52525, 384419), (54917, 367675), (73535, 274585)]