20504418

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 45913728

約数和(自身を除く): 25409310

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 121, 122, 183, 242, 363, 366, 463, 671, 726, 926, 1342, 1389, 2013, 2778, 4026, 5093, 7381, 10186, 14762, 15279, 22143, 28243, 30558, 44286, 56023, 56486, 84729, 112046, 168069, 169458, 310673, 336138, 621346, 932019, 1864038, 3417403, 6834806, 10252209, 20504418]

約数ペア:

[(1, 20504418), (2, 10252209), (3, 6834806), (6, 3417403), (11, 1864038), (22, 932019), (33, 621346), (61, 336138), (66, 310673), (121, 169458), (122, 168069), (183, 112046), (242, 84729), (363, 56486), (366, 56023), (463, 44286), (671, 30558), (726, 28243), (926, 22143), (1342, 15279), (1389, 14762), (2013, 10186), (2778, 7381), (4026, 5093)]