20178834214

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{299843}}^1$

素因数の和:299905

約数の個数: 64

約数和(自身を含む): 41450434560

約数和(自身を除く): 21271600346

約数列:

[1, 2, 7, 11, 14, 19, 22, 23, 38, 46, 77, 133, 154, 161, 209, 253, 266, 322, 418, 437, 506, 874, 1463, 1771, 2926, 3059, 3542, 4807, 6118, 9614, 33649, 67298, 299843, 599686, 2098901, 3298273, 4197802, 5697017, 6596546, 6896389, 11394034, 13792778, 23087911, 39879119, 46175822, 48274723, 62667187, 75860279, 79758238, 96549446, 125334374, 131031391, 151720558, 262062782, 438670309, 531021953, 877340618, 917219737, 1062043906, 1441345301, 1834439474, 2882690602, 10089417107, 20178834214]

約数ペア:

[(1, 20178834214), (2, 10089417107), (7, 2882690602), (11, 1834439474), (14, 1441345301), (19, 1062043906), (22, 917219737), (23, 877340618), (38, 531021953), (46, 438670309), (77, 262062782), (133, 151720558), (154, 131031391), (161, 125334374), (209, 96549446), (253, 79758238), (266, 75860279), (322, 62667187), (418, 48274723), (437, 46175822), (506, 39879119), (874, 23087911), (1463, 13792778), (1771, 11394034), (2926, 6896389), (3059, 6596546), (3542, 5697017), (4807, 4197802), (6118, 3298273), (9614, 2098901), (33649, 599686), (67298, 299843)]