20441304

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21839}}^1$

素因数の和:21864

約数の個数: 48

約数和(自身を含む): 59623200

約数和(自身を除く): 39181896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21839, 43678, 65517, 87356, 131034, 174712, 196551, 262068, 283907, 393102, 524136, 567814, 786204, 851721, 1135628, 1572408, 1703442, 2271256, 2555163, 3406884, 5110326, 6813768, 10220652, 20441304]

約数ペア:

[(1, 20441304), (2, 10220652), (3, 6813768), (4, 5110326), (6, 3406884), (8, 2555163), (9, 2271256), (12, 1703442), (13, 1572408), (18, 1135628), (24, 851721), (26, 786204), (36, 567814), (39, 524136), (52, 393102), (72, 283907), (78, 262068), (104, 196551), (117, 174712), (156, 131034), (234, 87356), (312, 65517), (468, 43678), (936, 21839)]