20584278

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:770

約数の個数: 72

約数和(自身を含む): 52865904

約数和(自身を除く): 32281626

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 121, 143, 198, 234, 242, 286, 363, 429, 726, 727, 858, 1089, 1287, 1454, 1573, 2178, 2181, 2574, 3146, 4362, 4719, 6543, 7997, 9438, 9451, 13086, 14157, 15994, 18902, 23991, 28314, 28353, 47982, 56706, 71973, 85059, 87967, 103961, 143946, 170118, 175934, 207922, 263901, 311883, 527802, 623766, 791703, 935649, 1143571, 1583406, 1871298, 2287142, 3430713, 6861426, 10292139, 20584278]

約数ペア:

[(1, 20584278), (2, 10292139), (3, 6861426), (6, 3430713), (9, 2287142), (11, 1871298), (13, 1583406), (18, 1143571), (22, 935649), (26, 791703), (33, 623766), (39, 527802), (66, 311883), (78, 263901), (99, 207922), (117, 175934), (121, 170118), (143, 143946), (198, 103961), (234, 87967), (242, 85059), (286, 71973), (363, 56706), (429, 47982), (726, 28353), (727, 28314), (858, 23991), (1089, 18902), (1287, 15994), (1454, 14157), (1573, 13086), (2178, 9451), (2181, 9438), (2574, 7997), (3146, 6543), (4362, 4719)]