20825406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8699}}^1$

素因数の和:8733

約数の個数: 48

約数和(自身を含む): 54288000

約数和(自身を除く): 33462594

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8699, 17398, 26097, 52194, 60893, 78291, 121786, 156582, 165281, 182679, 330562, 365358, 495843, 548037, 991686, 1096074, 1156967, 1487529, 2313934, 2975058, 3470901, 6941802, 10412703, 20825406]

約数ペア:

[(1, 20825406), (2, 10412703), (3, 6941802), (6, 3470901), (7, 2975058), (9, 2313934), (14, 1487529), (18, 1156967), (19, 1096074), (21, 991686), (38, 548037), (42, 495843), (57, 365358), (63, 330562), (114, 182679), (126, 165281), (133, 156582), (171, 121786), (266, 78291), (342, 60893), (399, 52194), (798, 26097), (1197, 17398), (2394, 8699)]