20409512382

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{683461}}^1$

素因数の和:683558

約数の個数: 64

約数和(自身を含む): 52489881600

約数和(自身を除く): 32080369218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 79, 126, 158, 189, 237, 378, 474, 553, 711, 1106, 1422, 1659, 2133, 3318, 4266, 4977, 9954, 14931, 29862, 683461, 1366922, 2050383, 4100766, 4784227, 6151149, 9568454, 12302298, 14352681, 18453447, 28705362, 36906894, 43058043, 53993419, 86116086, 107986838, 129174129, 161980257, 258348258, 323960514, 377953933, 485940771, 755907866, 971881542, 1133861799, 1457822313, 2267723598, 2915644626, 3401585397, 6803170794, 10204756191, 20409512382]

約数ペア:

[(1, 20409512382), (2, 10204756191), (3, 6803170794), (6, 3401585397), (7, 2915644626), (9, 2267723598), (14, 1457822313), (18, 1133861799), (21, 971881542), (27, 755907866), (42, 485940771), (54, 377953933), (63, 323960514), (79, 258348258), (126, 161980257), (158, 129174129), (189, 107986838), (237, 86116086), (378, 53993419), (474, 43058043), (553, 36906894), (711, 28705362), (1106, 18453447), (1422, 14352681), (1659, 12302298), (2133, 9568454), (3318, 6151149), (4266, 4784227), (4977, 4100766), (9954, 2050383), (14931, 1366922), (29862, 683461)]