20672916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{787}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 52953600

約数和(自身を除く): 32280684

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 199, 398, 597, 787, 796, 1194, 1574, 2189, 2361, 2388, 3148, 4378, 4722, 6567, 8657, 8756, 9444, 13134, 17314, 25971, 26268, 34628, 51942, 103884, 156613, 313226, 469839, 626452, 939678, 1722743, 1879356, 3445486, 5168229, 6890972, 10336458, 20672916]

約数ペア:

[(1, 20672916), (2, 10336458), (3, 6890972), (4, 5168229), (6, 3445486), (11, 1879356), (12, 1722743), (22, 939678), (33, 626452), (44, 469839), (66, 313226), (132, 156613), (199, 103884), (398, 51942), (597, 34628), (787, 26268), (796, 25971), (1194, 17314), (1574, 13134), (2189, 9444), (2361, 8756), (2388, 8657), (3148, 6567), (4378, 4722)]