16820641382

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1\times {\mathrm{5197}}^1$

素因数の和:6284

約数の個数: 32

約数和(自身を含む): 26730860544

約数和(自身を除く): 9910219162

約数列:

[1, 2, 23, 46, 71, 142, 991, 1633, 1982, 3266, 5197, 10394, 22793, 45586, 70361, 119531, 140722, 239062, 368987, 737974, 1618303, 3236606, 5150227, 8486701, 10300454, 16973402, 118455221, 236910442, 365666117, 731332234, 8410320691, 16820641382]

約数ペア:

[(1, 16820641382), (2, 8410320691), (23, 731332234), (46, 365666117), (71, 236910442), (142, 118455221), (991, 16973402), (1633, 10300454), (1982, 8486701), (3266, 5150227), (5197, 3236606), (10394, 1618303), (22793, 737974), (45586, 368987), (70361, 239062), (119531, 140722)]