20196722

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18413710

約数列:

[1, 2, 7, 13, 14, 26, 49, 83, 91, 98, 166, 182, 191, 382, 581, 637, 1079, 1162, 1274, 1337, 2158, 2483, 2674, 4067, 4966, 7553, 8134, 9359, 15106, 15853, 17381, 18718, 31706, 34762, 52871, 105742, 110971, 121667, 206089, 221942, 243334, 412178, 776797, 1442623, 1553594, 2885246, 10098361, 20196722]

約数ペア:

[(1, 20196722), (2, 10098361), (7, 2885246), (13, 1553594), (14, 1442623), (26, 776797), (49, 412178), (83, 243334), (91, 221942), (98, 206089), (166, 121667), (182, 110971), (191, 105742), (382, 52871), (581, 34762), (637, 31706), (1079, 18718), (1162, 17381), (1274, 15853), (1337, 15106), (2158, 9359), (2483, 8134), (2674, 7553), (4067, 4966)]