20909504

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4243}}^1$

素因数の和:4273

約数の個数: 56

約数和(自身を含む): 51742848

約数和(自身を除く): 30833344

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4243, 4928, 8486, 16972, 29701, 33944, 46673, 59402, 67888, 93346, 118804, 135776, 186692, 237608, 271552, 326711, 373384, 475216, 653422, 746768, 950432, 1306844, 1493536, 1900864, 2613688, 2987072, 5227376, 10454752, 20909504]

約数ペア:

[(1, 20909504), (2, 10454752), (4, 5227376), (7, 2987072), (8, 2613688), (11, 1900864), (14, 1493536), (16, 1306844), (22, 950432), (28, 746768), (32, 653422), (44, 475216), (56, 373384), (64, 326711), (77, 271552), (88, 237608), (112, 186692), (154, 135776), (176, 118804), (224, 93346), (308, 67888), (352, 59402), (448, 46673), (616, 33944), (704, 29701), (1232, 16972), (2464, 8486), (4243, 4928)]