20762406

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 35846874

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 81, 102, 119, 126, 153, 162, 189, 238, 243, 306, 357, 359, 378, 459, 486, 567, 714, 718, 918, 1071, 1077, 1134, 1377, 1701, 2142, 2154, 2513, 2754, 3213, 3231, 3402, 4131, 5026, 6103, 6426, 6462, 7539, 8262, 9639, 9693, 12206, 15078, 18309, 19278, 19386, 22617, 28917, 29079, 36618, 42721, 45234, 54927, 57834, 58158, 67851, 85442, 87237, 109854, 128163, 135702, 164781, 174474, 203553, 256326, 329562, 384489, 407106, 494343, 610659, 768978, 988686, 1153467, 1221318, 1483029, 2306934, 2966058, 3460401, 6920802, 10381203, 20762406]

約数ペア:

[(1, 20762406), (2, 10381203), (3, 6920802), (6, 3460401), (7, 2966058), (9, 2306934), (14, 1483029), (17, 1221318), (18, 1153467), (21, 988686), (27, 768978), (34, 610659), (42, 494343), (51, 407106), (54, 384489), (63, 329562), (81, 256326), (102, 203553), (119, 174474), (126, 164781), (153, 135702), (162, 128163), (189, 109854), (238, 87237), (243, 85442), (306, 67851), (357, 58158), (359, 57834), (378, 54927), (459, 45234), (486, 42721), (567, 36618), (714, 29079), (718, 28917), (918, 22617), (1071, 19386), (1077, 19278), (1134, 18309), (1377, 15078), (1701, 12206), (2142, 9693), (2154, 9639), (2513, 8262), (2754, 7539), (3213, 6462), (3231, 6426), (3402, 6103), (4131, 5026)]