20193485264

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{853}}^1\times {\mathrm{39989}}^1$

素因数の和:40887

約数の個数: 40

約数和(自身を含む): 40230419880

約数和(自身を除く): 20036934616

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 853, 1706, 3412, 6824, 13648, 31561, 39989, 63122, 79978, 126244, 159956, 252488, 319912, 504976, 639824, 1479593, 2959186, 5918372, 11836744, 23673488, 34110617, 68221234, 136442468, 272884936, 545769872, 1262092829, 2524185658, 5048371316, 10096742632, 20193485264]

約数ペア:

[(1, 20193485264), (2, 10096742632), (4, 5048371316), (8, 2524185658), (16, 1262092829), (37, 545769872), (74, 272884936), (148, 136442468), (296, 68221234), (592, 34110617), (853, 23673488), (1706, 11836744), (3412, 5918372), (6824, 2959186), (13648, 1479593), (31561, 639824), (39989, 504976), (63122, 319912), (79978, 252488), (126244, 159956)]