20194094896

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{667441}}^1$

素因数の和:667541

約数の個数: 40

約数和(自身を含む): 41050352768

約数和(自身を除く): 20856257872

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 3782, 7564, 15128, 30256, 667441, 1334882, 2669764, 5339528, 10679056, 20690671, 40713901, 41381342, 81427802, 82762684, 162855604, 165525368, 325711208, 331050736, 651422416, 1262130931, 2524261862, 5048523724, 10097047448, 20194094896]

約数ペア:

[(1, 20194094896), (2, 10097047448), (4, 5048523724), (8, 2524261862), (16, 1262130931), (31, 651422416), (61, 331050736), (62, 325711208), (122, 165525368), (124, 162855604), (244, 82762684), (248, 81427802), (488, 41381342), (496, 40713901), (976, 20690671), (1891, 10679056), (3782, 5339528), (7564, 2669764), (15128, 1334882), (30256, 667441)]