20195430128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{227467}}^1$

素因数の和:227685

約数の個数: 40

約数和(自身を含む): 40616686080

約数和(自身を除く): 20421255952

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 179, 248, 358, 496, 716, 1432, 2864, 5549, 11098, 22196, 44392, 88784, 227467, 454934, 909868, 1819736, 3639472, 7051477, 14102954, 28205908, 40716593, 56411816, 81433186, 112823632, 162866372, 325732744, 651465488, 1262214383, 2524428766, 5048857532, 10097715064, 20195430128]

約数ペア:

[(1, 20195430128), (2, 10097715064), (4, 5048857532), (8, 2524428766), (16, 1262214383), (31, 651465488), (62, 325732744), (124, 162866372), (179, 112823632), (248, 81433186), (358, 56411816), (496, 40716593), (716, 28205908), (1432, 14102954), (2864, 7051477), (5549, 3639472), (11098, 1819736), (22196, 909868), (44392, 454934), (88784, 227467)]