16940380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 37072224

約数和(自身を除く): 20131844

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 283, 292, 365, 410, 566, 730, 820, 1132, 1415, 1460, 2830, 2993, 5660, 5986, 11603, 11972, 14965, 20659, 23206, 29930, 41318, 46412, 58015, 59860, 82636, 103295, 116030, 206590, 232060, 413180, 847019, 1694038, 3388076, 4235095, 8470190, 16940380]

約数ペア:

[(1, 16940380), (2, 8470190), (4, 4235095), (5, 3388076), (10, 1694038), (20, 847019), (41, 413180), (73, 232060), (82, 206590), (146, 116030), (164, 103295), (205, 82636), (283, 59860), (292, 58015), (365, 46412), (410, 41318), (566, 29930), (730, 23206), (820, 20659), (1132, 14965), (1415, 11972), (1460, 11603), (2830, 5986), (2993, 5660)]