20173760

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2741}}^1$

素因数の和:2781

約数の個数: 56

約数和(自身を含む): 50145696

約数和(自身を除く): 29971936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2741, 3680, 5482, 7360, 10964, 13705, 21928, 27410, 43856, 54820, 63043, 87712, 109640, 126086, 175424, 219280, 252172, 315215, 438560, 504344, 630430, 877120, 1008688, 1260860, 2017376, 2521720, 4034752, 5043440, 10086880, 20173760]

約数ペア:

[(1, 20173760), (2, 10086880), (4, 5043440), (5, 4034752), (8, 2521720), (10, 2017376), (16, 1260860), (20, 1008688), (23, 877120), (32, 630430), (40, 504344), (46, 438560), (64, 315215), (80, 252172), (92, 219280), (115, 175424), (160, 126086), (184, 109640), (230, 87712), (320, 63043), (368, 54820), (460, 43856), (736, 27410), (920, 21928), (1472, 13705), (1840, 10964), (2741, 7360), (3680, 5482)]