16700420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 39504192

約数和(自身を除く): 22803772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 103, 110, 121, 134, 206, 220, 242, 268, 335, 412, 484, 515, 605, 670, 737, 1030, 1133, 1210, 1340, 1474, 2060, 2266, 2420, 2948, 3685, 4532, 5665, 6901, 7370, 8107, 11330, 12463, 13802, 14740, 16214, 22660, 24926, 27604, 32428, 34505, 40535, 49852, 62315, 69010, 75911, 81070, 124630, 138020, 151822, 162140, 249260, 303644, 379555, 759110, 835021, 1518220, 1670042, 3340084, 4175105, 8350210, 16700420]

約数ペア:

[(1, 16700420), (2, 8350210), (4, 4175105), (5, 3340084), (10, 1670042), (11, 1518220), (20, 835021), (22, 759110), (44, 379555), (55, 303644), (67, 249260), (103, 162140), (110, 151822), (121, 138020), (134, 124630), (206, 81070), (220, 75911), (242, 69010), (268, 62315), (335, 49852), (412, 40535), (484, 34505), (515, 32428), (605, 27604), (670, 24926), (737, 22660), (1030, 16214), (1133, 14740), (1210, 13802), (1340, 12463), (1474, 11330), (2060, 8107), (2266, 7370), (2420, 6901), (2948, 5665), (3685, 4532)]