20121682988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{6473}}^1$

素因数の和:6615

約数の個数: 96

約数和(自身を含む): 41347418112

約数和(自身を除く): 21225735124

約数列:

[1, 2, 4, 11, 22, 31, 43, 44, 53, 62, 86, 106, 124, 172, 212, 341, 473, 583, 682, 946, 1166, 1333, 1364, 1643, 1892, 2279, 2332, 2666, 3286, 4558, 5332, 6473, 6572, 9116, 12946, 14663, 18073, 25069, 25892, 29326, 36146, 50138, 58652, 70649, 71203, 72292, 100276, 141298, 142406, 200663, 278339, 282596, 284812, 343069, 401326, 556678, 686138, 777139, 802652, 1113356, 1372276, 1554278, 2207293, 3061729, 3108556, 3773759, 4414586, 6123458, 7547518, 8628509, 8829172, 10635139, 12246916, 14751967, 15095036, 17257018, 21270278, 29503934, 34514036, 42540556, 59007868, 94913599, 116986529, 162271637, 189827198, 233973058, 324543274, 379654396, 457310977, 467946116, 649086548, 914621954, 1829243908, 5030420747, 10060841494, 20121682988]

約数ペア:

[(1, 20121682988), (2, 10060841494), (4, 5030420747), (11, 1829243908), (22, 914621954), (31, 649086548), (43, 467946116), (44, 457310977), (53, 379654396), (62, 324543274), (86, 233973058), (106, 189827198), (124, 162271637), (172, 116986529), (212, 94913599), (341, 59007868), (473, 42540556), (583, 34514036), (682, 29503934), (946, 21270278), (1166, 17257018), (1333, 15095036), (1364, 14751967), (1643, 12246916), (1892, 10635139), (2279, 8829172), (2332, 8628509), (2666, 7547518), (3286, 6123458), (4558, 4414586), (5332, 3773759), (6473, 3108556), (6572, 3061729), (9116, 2207293), (12946, 1554278), (14663, 1372276), (18073, 1113356), (25069, 802652), (25892, 777139), (29326, 686138), (36146, 556678), (50138, 401326), (58652, 343069), (70649, 284812), (71203, 282596), (72292, 278339), (100276, 200663), (141298, 142406)]