20294848

素因数分解:

$2^6\times 7^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:617

約数の個数: 56

約数和(自身を含む): 46634400

約数和(自身を除く): 26339552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 178, 224, 356, 448, 509, 623, 712, 1018, 1246, 1424, 2036, 2492, 2848, 3563, 4072, 4984, 5696, 7126, 8144, 9968, 14252, 16288, 19936, 28504, 32576, 39872, 45301, 57008, 90602, 114016, 181204, 228032, 317107, 362408, 634214, 724816, 1268428, 1449632, 2536856, 2899264, 5073712, 10147424, 20294848]

約数ペア:

[(1, 20294848), (2, 10147424), (4, 5073712), (7, 2899264), (8, 2536856), (14, 1449632), (16, 1268428), (28, 724816), (32, 634214), (56, 362408), (64, 317107), (89, 228032), (112, 181204), (178, 114016), (224, 90602), (356, 57008), (448, 45301), (509, 39872), (623, 32576), (712, 28504), (1018, 19936), (1246, 16288), (1424, 14252), (2036, 9968), (2492, 8144), (2848, 7126), (3563, 5696), (4072, 4984)]