20106512

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2549}}^1$

素因数の和:2603

約数の個数: 40

約数和(自身を含む): 42687000

約数和(自身を除く): 22580488

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2549, 3944, 5098, 7888, 10196, 20392, 40784, 43333, 73921, 86666, 147842, 173332, 295684, 346664, 591368, 693328, 1182736, 1256657, 2513314, 5026628, 10053256, 20106512]

約数ペア:

[(1, 20106512), (2, 10053256), (4, 5026628), (8, 2513314), (16, 1256657), (17, 1182736), (29, 693328), (34, 591368), (58, 346664), (68, 295684), (116, 173332), (136, 147842), (232, 86666), (272, 73921), (464, 43333), (493, 40784), (986, 20392), (1972, 10196), (2549, 7888), (3944, 5098)]