20186914840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1\times {\mathrm{16903}}^1$

素因数の和:17396

約数の個数: 64

約数和(自身を含む): 46158062400

約数和(自身を除く): 25971147560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 409, 584, 730, 818, 1460, 1636, 2045, 2920, 3272, 4090, 8180, 16360, 16903, 29857, 33806, 59714, 67612, 84515, 119428, 135224, 149285, 169030, 238856, 298570, 338060, 597140, 676120, 1194280, 1233919, 2467838, 4935676, 6169595, 6913327, 9871352, 12339190, 13826654, 24678380, 27653308, 34566635, 49356760, 55306616, 69133270, 138266540, 276533080, 504672871, 1009345742, 2018691484, 2523364355, 4037382968, 5046728710, 10093457420, 20186914840]

約数ペア:

[(1, 20186914840), (2, 10093457420), (4, 5046728710), (5, 4037382968), (8, 2523364355), (10, 2018691484), (20, 1009345742), (40, 504672871), (73, 276533080), (146, 138266540), (292, 69133270), (365, 55306616), (409, 49356760), (584, 34566635), (730, 27653308), (818, 24678380), (1460, 13826654), (1636, 12339190), (2045, 9871352), (2920, 6913327), (3272, 6169595), (4090, 4935676), (8180, 2467838), (16360, 1233919), (16903, 1194280), (29857, 676120), (33806, 597140), (59714, 338060), (67612, 298570), (84515, 238856), (119428, 169030), (135224, 149285)]