20559555468

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{111347}}^1$

素因数の和:111603

約数の個数: 72

約数和(自身を含む): 54473223168

約数和(自身を除く): 33913667700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 223, 276, 414, 446, 669, 828, 892, 1338, 2007, 2676, 4014, 5129, 8028, 10258, 15387, 20516, 30774, 46161, 61548, 92322, 111347, 184644, 222694, 334041, 445388, 668082, 1002123, 1336164, 2004246, 2560981, 4008492, 5121962, 7682943, 10243924, 15365886, 23048829, 24830381, 30731772, 46097658, 49660762, 74491143, 92195316, 99321524, 148982286, 223473429, 297964572, 446946858, 571098763, 893893716, 1142197526, 1713296289, 2284395052, 3426592578, 5139888867, 6853185156, 10279777734, 20559555468]

約数ペア:

[(1, 20559555468), (2, 10279777734), (3, 6853185156), (4, 5139888867), (6, 3426592578), (9, 2284395052), (12, 1713296289), (18, 1142197526), (23, 893893716), (36, 571098763), (46, 446946858), (69, 297964572), (92, 223473429), (138, 148982286), (207, 99321524), (223, 92195316), (276, 74491143), (414, 49660762), (446, 46097658), (669, 30731772), (828, 24830381), (892, 23048829), (1338, 15365886), (2007, 10243924), (2676, 7682943), (4014, 5121962), (5129, 4008492), (8028, 2560981), (10258, 2004246), (15387, 1336164), (20516, 1002123), (30774, 668082), (46161, 445388), (61548, 334041), (92322, 222694), (111347, 184644)]