16990020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 53706240

約数和(自身を除く): 36716220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 431, 438, 540, 657, 730, 862, 876, 1095, 1293, 1314, 1460, 1724, 1971, 2155, 2190, 2586, 2628, 3285, 3879, 3942, 4310, 4380, 5172, 6465, 6570, 7758, 7884, 8620, 9855, 11637, 12930, 13140, 15516, 19395, 19710, 23274, 25860, 31463, 38790, 39420, 46548, 58185, 62926, 77580, 94389, 116370, 125852, 157315, 188778, 232740, 283167, 314630, 377556, 471945, 566334, 629260, 849501, 943890, 1132668, 1415835, 1699002, 1887780, 2831670, 3398004, 4247505, 5663340, 8495010, 16990020]

約数ペア:

[(1, 16990020), (2, 8495010), (3, 5663340), (4, 4247505), (5, 3398004), (6, 2831670), (9, 1887780), (10, 1699002), (12, 1415835), (15, 1132668), (18, 943890), (20, 849501), (27, 629260), (30, 566334), (36, 471945), (45, 377556), (54, 314630), (60, 283167), (73, 232740), (90, 188778), (108, 157315), (135, 125852), (146, 116370), (180, 94389), (219, 77580), (270, 62926), (292, 58185), (365, 46548), (431, 39420), (438, 38790), (540, 31463), (657, 25860), (730, 23274), (862, 19710), (876, 19395), (1095, 15516), (1293, 13140), (1314, 12930), (1460, 11637), (1724, 9855), (1971, 8620), (2155, 7884), (2190, 7758), (2586, 6570), (2628, 6465), (3285, 5172), (3879, 4380), (3942, 4310)]