20862604

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 45299520

約数和(自身を除く): 24436916

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 68, 82, 119, 164, 238, 287, 476, 574, 697, 1069, 1148, 1394, 2138, 2788, 4276, 4879, 7483, 9758, 14966, 18173, 19516, 29932, 36346, 43829, 72692, 87658, 127211, 175316, 254422, 306803, 508844, 613606, 745093, 1227212, 1490186, 2980372, 5215651, 10431302, 20862604]

約数ペア:

[(1, 20862604), (2, 10431302), (4, 5215651), (7, 2980372), (14, 1490186), (17, 1227212), (28, 745093), (34, 613606), (41, 508844), (68, 306803), (82, 254422), (119, 175316), (164, 127211), (238, 87658), (287, 72692), (476, 43829), (574, 36346), (697, 29932), (1069, 19516), (1148, 18173), (1394, 14966), (2138, 9758), (2788, 7483), (4276, 4879)]