20161532872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1\times {\mathrm{2357}}^1$

素因数の和:2962

約数の個数: 64

約数和(自身を含む): 41018730480

約数和(自身を除く): 20857197608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 233, 353, 466, 706, 932, 1412, 1864, 2357, 2824, 3029, 4589, 4714, 6058, 9178, 9428, 12116, 18356, 18856, 24232, 30641, 36712, 61282, 82249, 122564, 164498, 245128, 328996, 549181, 657992, 832021, 1069237, 1098362, 1664042, 2138474, 2196724, 3328084, 4276948, 4393448, 6656168, 7139353, 8553896, 10816273, 14278706, 21632546, 28557412, 43265092, 57114824, 86530184, 193860893, 387721786, 775443572, 1550887144, 2520191609, 5040383218, 10080766436, 20161532872]

約数ペア:

[(1, 20161532872), (2, 10080766436), (4, 5040383218), (8, 2520191609), (13, 1550887144), (26, 775443572), (52, 387721786), (104, 193860893), (233, 86530184), (353, 57114824), (466, 43265092), (706, 28557412), (932, 21632546), (1412, 14278706), (1864, 10816273), (2357, 8553896), (2824, 7139353), (3029, 6656168), (4589, 4393448), (4714, 4276948), (6058, 3328084), (9178, 2196724), (9428, 2138474), (12116, 1664042), (18356, 1098362), (18856, 1069237), (24232, 832021), (30641, 657992), (36712, 549181), (61282, 328996), (82249, 245128), (122564, 164498)]