20545848

素因数分解:

$2^3\times 3^2\times {\mathrm{461}}^1\times {\mathrm{619}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 55855800

約数和(自身を除く): 35309952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 461, 619, 922, 1238, 1383, 1844, 1857, 2476, 2766, 3688, 3714, 4149, 4952, 5532, 5571, 7428, 8298, 11064, 11142, 14856, 16596, 22284, 33192, 44568, 285359, 570718, 856077, 1141436, 1712154, 2282872, 2568231, 3424308, 5136462, 6848616, 10272924, 20545848]

約数ペア:

[(1, 20545848), (2, 10272924), (3, 6848616), (4, 5136462), (6, 3424308), (8, 2568231), (9, 2282872), (12, 1712154), (18, 1141436), (24, 856077), (36, 570718), (72, 285359), (461, 44568), (619, 33192), (922, 22284), (1238, 16596), (1383, 14856), (1844, 11142), (1857, 11064), (2476, 8298), (2766, 7428), (3688, 5571), (3714, 5532), (4149, 4952)]