20040490616

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{859}}^1\times {\mathrm{153487}}^1$

素因数の和:154371

約数の個数: 32

約数和(自身を含む): 39599904000

約数和(自身を除く): 19559413384

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 859, 1718, 3436, 6872, 16321, 32642, 65284, 130568, 153487, 306974, 613948, 1227896, 2916253, 5832506, 11665012, 23330024, 131845333, 263690666, 527381332, 1054762664, 2505061327, 5010122654, 10020245308, 20040490616]

約数ペア:

[(1, 20040490616), (2, 10020245308), (4, 5010122654), (8, 2505061327), (19, 1054762664), (38, 527381332), (76, 263690666), (152, 131845333), (859, 23330024), (1718, 11665012), (3436, 5832506), (6872, 2916253), (16321, 1227896), (32642, 613948), (65284, 306974), (130568, 153487)]