20454976

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 56

約数和(自身を含む): 42793920

約数和(自身を除く): 22338944

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 103, 107, 116, 206, 214, 232, 412, 428, 464, 824, 856, 928, 1648, 1712, 1856, 2987, 3103, 3296, 3424, 5974, 6206, 6592, 6848, 11021, 11948, 12412, 22042, 23896, 24824, 44084, 47792, 49648, 88168, 95584, 99296, 176336, 191168, 198592, 319609, 352672, 639218, 705344, 1278436, 2556872, 5113744, 10227488, 20454976]

約数ペア:

[(1, 20454976), (2, 10227488), (4, 5113744), (8, 2556872), (16, 1278436), (29, 705344), (32, 639218), (58, 352672), (64, 319609), (103, 198592), (107, 191168), (116, 176336), (206, 99296), (214, 95584), (232, 88168), (412, 49648), (428, 47792), (464, 44084), (824, 24824), (856, 23896), (928, 22042), (1648, 12412), (1712, 11948), (1856, 11021), (2987, 6848), (3103, 6592), (3296, 6206), (3424, 5974)]