20001984908

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1\times {\mathrm{1321}}^1$

素因数の和:1818

約数の個数: 48

約数和(自身を含む): 35741909280

約数和(自身を除く): 15739924372

約数列:

[1, 2, 4, 113, 139, 226, 241, 278, 452, 482, 556, 964, 1321, 2642, 5284, 15707, 27233, 31414, 33499, 54466, 62828, 66998, 108932, 133996, 149273, 183619, 298546, 318361, 367238, 597092, 636722, 734476, 1273444, 3785387, 7570774, 15141548, 20748947, 35974793, 41497894, 44252179, 71949586, 82995788, 88504358, 143899172, 177008716, 5000496227, 10000992454, 20001984908]

約数ペア:

[(1, 20001984908), (2, 10000992454), (4, 5000496227), (113, 177008716), (139, 143899172), (226, 88504358), (241, 82995788), (278, 71949586), (452, 44252179), (482, 41497894), (556, 35974793), (964, 20748947), (1321, 15141548), (2642, 7570774), (5284, 3785387), (15707, 1273444), (27233, 734476), (31414, 636722), (33499, 597092), (54466, 367238), (62828, 318361), (66998, 298546), (108932, 183619), (133996, 149273)]