20162996

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 22414924

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 131, 161, 239, 262, 322, 478, 524, 644, 917, 956, 1673, 1834, 3013, 3346, 3668, 5497, 6026, 6692, 10994, 12052, 21091, 21988, 31309, 38479, 42182, 62618, 76958, 84364, 125236, 153916, 219163, 438326, 720107, 876652, 1440214, 2880428, 5040749, 10081498, 20162996]

約数ペア:

[(1, 20162996), (2, 10081498), (4, 5040749), (7, 2880428), (14, 1440214), (23, 876652), (28, 720107), (46, 438326), (92, 219163), (131, 153916), (161, 125236), (239, 84364), (262, 76958), (322, 62618), (478, 42182), (524, 38479), (644, 31309), (917, 21988), (956, 21091), (1673, 12052), (1834, 10994), (3013, 6692), (3346, 6026), (3668, 5497)]