20100784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6011}}^1$

素因数の和:6049

約数の個数: 40

約数和(自身を含む): 44729280

約数和(自身を除く): 24628496

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6011, 12022, 24044, 48088, 66121, 96176, 114209, 132242, 228418, 264484, 456836, 528968, 913672, 1057936, 1256299, 1827344, 2512598, 5025196, 10050392, 20100784]

約数ペア:

[(1, 20100784), (2, 10050392), (4, 5025196), (8, 2512598), (11, 1827344), (16, 1256299), (19, 1057936), (22, 913672), (38, 528968), (44, 456836), (76, 264484), (88, 228418), (152, 132242), (176, 114209), (209, 96176), (304, 66121), (418, 48088), (836, 24044), (1672, 12022), (3344, 6011)]