20260447760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{264083}}^1$

素因数の和:264240

約数の個数: 80

約数和(自身を含む): 54228064896

約数和(自身を除く): 33967617136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 548, 560, 685, 959, 1096, 1370, 1918, 2192, 2740, 3836, 4795, 5480, 7672, 9590, 10960, 15344, 19180, 38360, 76720, 264083, 528166, 1056332, 1320415, 1848581, 2112664, 2640830, 3697162, 4225328, 5281660, 7394324, 9242905, 10563320, 14788648, 18485810, 21126640, 29577296, 36179371, 36971620, 72358742, 73943240, 144717484, 147886480, 180896855, 253255597, 289434968, 361793710, 506511194, 578869936, 723587420, 1013022388, 1266277985, 1447174840, 2026044776, 2532555970, 2894349680, 4052089552, 5065111940, 10130223880, 20260447760]

約数ペア:

[(1, 20260447760), (2, 10130223880), (4, 5065111940), (5, 4052089552), (7, 2894349680), (8, 2532555970), (10, 2026044776), (14, 1447174840), (16, 1266277985), (20, 1013022388), (28, 723587420), (35, 578869936), (40, 506511194), (56, 361793710), (70, 289434968), (80, 253255597), (112, 180896855), (137, 147886480), (140, 144717484), (274, 73943240), (280, 72358742), (548, 36971620), (560, 36179371), (685, 29577296), (959, 21126640), (1096, 18485810), (1370, 14788648), (1918, 10563320), (2192, 9242905), (2740, 7394324), (3836, 5281660), (4795, 4225328), (5480, 3697162), (7672, 2640830), (9590, 2112664), (10960, 1848581), (15344, 1320415), (19180, 1056332), (38360, 528166), (76720, 264083)]