20808301976

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4825673}}^1$

素因数の和:4825704

約数の個数: 48

約数和(自身を含む): 49511415240

約数和(自身を除く): 28703113264

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4825673, 9651346, 19302692, 33779711, 38605384, 53082403, 67559422, 106164806, 135118844, 212329612, 236457977, 270237688, 371576821, 424659224, 472915954, 743153642, 945831908, 1486307284, 1891663816, 2601037747, 2972614568, 5202075494, 10404150988, 20808301976]

約数ペア:

[(1, 20808301976), (2, 10404150988), (4, 5202075494), (7, 2972614568), (8, 2601037747), (11, 1891663816), (14, 1486307284), (22, 945831908), (28, 743153642), (44, 472915954), (49, 424659224), (56, 371576821), (77, 270237688), (88, 236457977), (98, 212329612), (154, 135118844), (196, 106164806), (308, 67559422), (392, 53082403), (539, 38605384), (616, 33779711), (1078, 19302692), (2156, 9651346), (4312, 4825673)]