20517505925

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{69829}}^1$

素因数の和:69942

約数の個数: 48

約数和(自身を含む): 30756483840

約数和(自身を除く): 10238977915

約数列:

[1, 5, 7, 23, 25, 35, 73, 115, 161, 175, 365, 511, 575, 805, 1679, 1825, 2555, 4025, 8395, 11753, 12775, 41975, 58765, 69829, 293825, 349145, 488803, 1606067, 1745725, 2444015, 5097517, 8030335, 11242469, 12220075, 25487585, 35682619, 40151675, 56212345, 117242891, 127437925, 178413095, 281061725, 586214455, 820700237, 892065475, 2931072275, 4103501185, 20517505925]

約数ペア:

[(1, 20517505925), (5, 4103501185), (7, 2931072275), (23, 892065475), (25, 820700237), (35, 586214455), (73, 281061725), (115, 178413095), (161, 127437925), (175, 117242891), (365, 56212345), (511, 40151675), (575, 35682619), (805, 25487585), (1679, 12220075), (1825, 11242469), (2555, 8030335), (4025, 5097517), (8395, 2444015), (11753, 1745725), (12775, 1606067), (41975, 488803), (58765, 349145), (69829, 293825)]