20193960935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{21313}}^1$

素因数の和:21563

約数の個数: 32

約数和(自身を含む): 26186550912

約数和(自身を除く): 5992589977

約数列:

[1, 5, 17, 71, 85, 157, 355, 785, 1207, 2669, 6035, 11147, 13345, 21313, 55735, 106565, 189499, 362321, 947495, 1513223, 1811605, 3346141, 7566115, 16730705, 25724791, 56884397, 128623955, 237576011, 284421985, 1187880055, 4038792187, 20193960935]

約数ペア:

[(1, 20193960935), (5, 4038792187), (17, 1187880055), (71, 284421985), (85, 237576011), (157, 128623955), (355, 56884397), (785, 25724791), (1207, 16730705), (2669, 7566115), (6035, 3346141), (11147, 1811605), (13345, 1513223), (21313, 947495), (55735, 362321), (106565, 189499)]