20461584

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:317

約数の個数: 120

約数和(自身を含む): 62801536

約数和(自身を除く): 42339952

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 121, 132, 143, 156, 176, 208, 242, 264, 271, 286, 312, 363, 429, 484, 528, 542, 572, 624, 726, 813, 858, 968, 1084, 1144, 1452, 1573, 1626, 1716, 1936, 2168, 2288, 2904, 2981, 3146, 3252, 3432, 3523, 4336, 4719, 5808, 5962, 6292, 6504, 6864, 7046, 8943, 9438, 10569, 11924, 12584, 13008, 14092, 17886, 18876, 21138, 23848, 25168, 28184, 32791, 35772, 37752, 38753, 42276, 47696, 56368, 65582, 71544, 75504, 77506, 84552, 98373, 116259, 131164, 143088, 155012, 169104, 196746, 232518, 262328, 310024, 393492, 426283, 465036, 524656, 620048, 786984, 852566, 930072, 1278849, 1573968, 1705132, 1860144, 2557698, 3410264, 5115396, 6820528, 10230792, 20461584]

約数ペア:

[(1, 20461584), (2, 10230792), (3, 6820528), (4, 5115396), (6, 3410264), (8, 2557698), (11, 1860144), (12, 1705132), (13, 1573968), (16, 1278849), (22, 930072), (24, 852566), (26, 786984), (33, 620048), (39, 524656), (44, 465036), (48, 426283), (52, 393492), (66, 310024), (78, 262328), (88, 232518), (104, 196746), (121, 169104), (132, 155012), (143, 143088), (156, 131164), (176, 116259), (208, 98373), (242, 84552), (264, 77506), (271, 75504), (286, 71544), (312, 65582), (363, 56368), (429, 47696), (484, 42276), (528, 38753), (542, 37752), (572, 35772), (624, 32791), (726, 28184), (813, 25168), (858, 23848), (968, 21138), (1084, 18876), (1144, 17886), (1452, 14092), (1573, 13008), (1626, 12584), (1716, 11924), (1936, 10569), (2168, 9438), (2288, 8943), (2904, 7046), (2981, 6864), (3146, 6504), (3252, 6292), (3432, 5962), (3523, 5808), (4336, 4719)]