20162428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 41983200

約数和(自身を除く): 21820772

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 101, 143, 202, 286, 349, 404, 572, 698, 1111, 1313, 1396, 2222, 2626, 3839, 4444, 4537, 5252, 7678, 9074, 14443, 15356, 18148, 28886, 35249, 49907, 57772, 70498, 99814, 140996, 199628, 387739, 458237, 775478, 916474, 1550956, 1832948, 5040607, 10081214, 20162428]

約数ペア:

[(1, 20162428), (2, 10081214), (4, 5040607), (11, 1832948), (13, 1550956), (22, 916474), (26, 775478), (44, 458237), (52, 387739), (101, 199628), (143, 140996), (202, 99814), (286, 70498), (349, 57772), (404, 49907), (572, 35249), (698, 28886), (1111, 18148), (1313, 15356), (1396, 14443), (2222, 9074), (2626, 7678), (3839, 5252), (4444, 4537)]