20912179638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3469}}^1\times {\mathrm{8443}}^1$

素因数の和:11941

約数の個数: 64

約数和(自身を含む): 50631575040

約数和(自身を除く): 29719395402

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 3469, 6938, 8443, 10407, 16886, 20814, 24283, 25329, 48566, 50658, 58973, 59101, 72849, 117946, 118202, 143531, 145698, 176919, 177303, 287062, 353838, 354606, 412811, 430593, 825622, 861186, 1004717, 1238433, 2009434, 2476866, 3014151, 6028302, 29288767, 58577534, 87866301, 175732602, 205021369, 410042738, 497909039, 615064107, 995818078, 1230128214, 1493727117, 2987454234, 3485363273, 6970726546, 10456089819, 20912179638]

約数ペア:

[(1, 20912179638), (2, 10456089819), (3, 6970726546), (6, 3485363273), (7, 2987454234), (14, 1493727117), (17, 1230128214), (21, 995818078), (34, 615064107), (42, 497909039), (51, 410042738), (102, 205021369), (119, 175732602), (238, 87866301), (357, 58577534), (714, 29288767), (3469, 6028302), (6938, 3014151), (8443, 2476866), (10407, 2009434), (16886, 1238433), (20814, 1004717), (24283, 861186), (25329, 825622), (48566, 430593), (50658, 412811), (58973, 354606), (59101, 353838), (72849, 287062), (117946, 177303), (118202, 176919), (143531, 145698)]