20131475060

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1\times {\mathrm{36929}}^1$

素因数の和:37316

約数の個数: 48

約数和(自身を含む): 42865094160

約数和(自身を除く): 22733619100

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 281, 388, 485, 562, 970, 1124, 1405, 1940, 2810, 5620, 27257, 36929, 54514, 73858, 109028, 136285, 147716, 184645, 272570, 369290, 545140, 738580, 3582113, 7164226, 10377049, 14328452, 17910565, 20754098, 35821130, 41508196, 51885245, 71642260, 103770490, 207540980, 1006573753, 2013147506, 4026295012, 5032868765, 10065737530, 20131475060]

約数ペア:

[(1, 20131475060), (2, 10065737530), (4, 5032868765), (5, 4026295012), (10, 2013147506), (20, 1006573753), (97, 207540980), (194, 103770490), (281, 71642260), (388, 51885245), (485, 41508196), (562, 35821130), (970, 20754098), (1124, 17910565), (1405, 14328452), (1940, 10377049), (2810, 7164226), (5620, 3582113), (27257, 738580), (36929, 545140), (54514, 369290), (73858, 272570), (109028, 184645), (136285, 147716)]