20160921156

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{2741}}^1$

素因数の和:3005

約数の個数: 96

約数和(自身を含む): 48755831040

約数和(自身を除く): 28594909884

約数列:

[1, 2, 3, 4, 6, 12, 71, 89, 97, 142, 178, 194, 213, 267, 284, 291, 356, 388, 426, 534, 582, 852, 1068, 1164, 2741, 5482, 6319, 6887, 8223, 8633, 10964, 12638, 13774, 16446, 17266, 18957, 20661, 25276, 25899, 27548, 32892, 34532, 37914, 41322, 51798, 75828, 82644, 103596, 194611, 243949, 265877, 389222, 487898, 531754, 583833, 612943, 731847, 778444, 797631, 975796, 1063508, 1167666, 1225886, 1463694, 1595262, 1838829, 2335332, 2451772, 2927388, 3190524, 3677658, 7355316, 17320379, 18877267, 23663053, 34640758, 37754534, 47326106, 51961137, 56631801, 69281516, 70989159, 75509068, 94652212, 103922274, 113263602, 141978318, 207844548, 226527204, 283956636, 1680076763, 3360153526, 5040230289, 6720307052, 10080460578, 20160921156]

約数ペア:

[(1, 20160921156), (2, 10080460578), (3, 6720307052), (4, 5040230289), (6, 3360153526), (12, 1680076763), (71, 283956636), (89, 226527204), (97, 207844548), (142, 141978318), (178, 113263602), (194, 103922274), (213, 94652212), (267, 75509068), (284, 70989159), (291, 69281516), (356, 56631801), (388, 51961137), (426, 47326106), (534, 37754534), (582, 34640758), (852, 23663053), (1068, 18877267), (1164, 17320379), (2741, 7355316), (5482, 3677658), (6319, 3190524), (6887, 2927388), (8223, 2451772), (8633, 2335332), (10964, 1838829), (12638, 1595262), (13774, 1463694), (16446, 1225886), (17266, 1167666), (18957, 1063508), (20661, 975796), (25276, 797631), (25899, 778444), (27548, 731847), (32892, 612943), (34532, 583833), (37914, 531754), (41322, 487898), (51798, 389222), (75828, 265877), (82644, 243949), (103596, 194611)]