20925028278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1372493}}^1$

素因数の和:1372530

約数の個数: 72

約数和(自身を含む): 56953011024

約数和(自身を除く): 36027982746

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1386, 1694, 2178, 2541, 5082, 7623, 15246, 1372493, 2744986, 4117479, 8234958, 9607451, 12352437, 15097423, 19214902, 24704874, 28822353, 30194846, 45292269, 57644706, 86467059, 90584538, 105681961, 135876807, 166071653, 172934118, 211363922, 271753614, 317045883, 332143306, 498214959, 634091766, 951137649, 996429918, 1162501571, 1494644877, 1902275298, 2325003142, 2989289754, 3487504713, 6975009426, 10462514139, 20925028278]

約数ペア:

[(1, 20925028278), (2, 10462514139), (3, 6975009426), (6, 3487504713), (7, 2989289754), (9, 2325003142), (11, 1902275298), (14, 1494644877), (18, 1162501571), (21, 996429918), (22, 951137649), (33, 634091766), (42, 498214959), (63, 332143306), (66, 317045883), (77, 271753614), (99, 211363922), (121, 172934118), (126, 166071653), (154, 135876807), (198, 105681961), (231, 90584538), (242, 86467059), (363, 57644706), (462, 45292269), (693, 30194846), (726, 28822353), (847, 24704874), (1089, 19214902), (1386, 15097423), (1694, 12352437), (2178, 9607451), (2541, 8234958), (5082, 4117479), (7623, 2744986), (15246, 1372493)]