20515673824

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{383}}^1\times {\mathrm{17257}}^1$

素因数の和:17747

約数の個数: 48

約数和(自身を含む): 40915542528

約数和(自身を除く): 20399868704

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 383, 388, 766, 776, 1532, 1552, 3064, 3104, 6128, 12256, 17257, 34514, 37151, 69028, 74302, 138056, 148604, 276112, 297208, 552224, 594416, 1188832, 1673929, 3347858, 6609431, 6695716, 13218862, 13391432, 26437724, 26782864, 52875448, 53565728, 105750896, 211501792, 641114807, 1282229614, 2564459228, 5128918456, 10257836912, 20515673824]

約数ペア:

[(1, 20515673824), (2, 10257836912), (4, 5128918456), (8, 2564459228), (16, 1282229614), (32, 641114807), (97, 211501792), (194, 105750896), (383, 53565728), (388, 52875448), (766, 26782864), (776, 26437724), (1532, 13391432), (1552, 13218862), (3064, 6695716), (3104, 6609431), (6128, 3347858), (12256, 1673929), (17257, 1188832), (34514, 594416), (37151, 552224), (69028, 297208), (74302, 276112), (138056, 148604)]