20100292036

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{20549}}^1$

素因数の和:20665

約数の個数: 72

約数和(自身を含む): 40406889600

約数和(自身を除く): 20306597564

約数列:

[1, 2, 4, 11, 22, 43, 44, 47, 86, 94, 121, 172, 188, 242, 473, 484, 517, 946, 1034, 1892, 2021, 2068, 4042, 5203, 5687, 8084, 10406, 11374, 20549, 20812, 22231, 22748, 41098, 44462, 82196, 88924, 226039, 244541, 452078, 489082, 883607, 904156, 965803, 978164, 1767214, 1931606, 2486429, 3534428, 3863212, 4972858, 9719677, 9945716, 10623833, 19439354, 21247666, 38878708, 41529529, 42495332, 83059058, 106916447, 116862163, 166118116, 213832894, 233724326, 427665788, 456824819, 467448652, 913649638, 1827299276, 5025073009, 10050146018, 20100292036]

約数ペア:

[(1, 20100292036), (2, 10050146018), (4, 5025073009), (11, 1827299276), (22, 913649638), (43, 467448652), (44, 456824819), (47, 427665788), (86, 233724326), (94, 213832894), (121, 166118116), (172, 116862163), (188, 106916447), (242, 83059058), (473, 42495332), (484, 41529529), (517, 38878708), (946, 21247666), (1034, 19439354), (1892, 10623833), (2021, 9945716), (2068, 9719677), (4042, 4972858), (5203, 3863212), (5687, 3534428), (8084, 2486429), (10406, 1931606), (11374, 1767214), (20549, 978164), (20812, 965803), (22231, 904156), (22748, 883607), (41098, 489082), (44462, 452078), (82196, 244541), (88924, 226039)]