20178272370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{400601}}^1$

素因数の和:400707

約数の個数: 64

約数和(自身を含む): 51225778944

約数和(自身を除く): 31047506574

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 73, 115, 138, 146, 219, 230, 345, 365, 438, 690, 730, 1095, 1679, 2190, 3358, 5037, 8395, 10074, 16790, 25185, 50370, 400601, 801202, 1201803, 2003005, 2403606, 4006010, 6009015, 9213823, 12018030, 18427646, 27641469, 29243873, 46069115, 55282938, 58487746, 87731619, 92138230, 138207345, 146219365, 175463238, 276414690, 292438730, 438658095, 672609079, 877316190, 1345218158, 2017827237, 3363045395, 4035654474, 6726090790, 10089136185, 20178272370]

約数ペア:

[(1, 20178272370), (2, 10089136185), (3, 6726090790), (5, 4035654474), (6, 3363045395), (10, 2017827237), (15, 1345218158), (23, 877316190), (30, 672609079), (46, 438658095), (69, 292438730), (73, 276414690), (115, 175463238), (138, 146219365), (146, 138207345), (219, 92138230), (230, 87731619), (345, 58487746), (365, 55282938), (438, 46069115), (690, 29243873), (730, 27641469), (1095, 18427646), (1679, 12018030), (2190, 9213823), (3358, 6009015), (5037, 4006010), (8395, 2403606), (10074, 2003005), (16790, 1201803), (25185, 801202), (50370, 400601)]