20121567678916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{1783}}^1\times {\mathrm{13613}}^1$

素因数の和:15721

約数の個数: 96

約数和(自身を含む): 39072753312768

約数和(自身を除く): 18951185633852

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 227, 332, 454, 908, 913, 1783, 1826, 2497, 3566, 3652, 4994, 7132, 9988, 13613, 18841, 19613, 27226, 37682, 39226, 54452, 75364, 78452, 147989, 149743, 207251, 295978, 299486, 404741, 414502, 591956, 598972, 809482, 829004, 1129879, 1618964, 1627879, 2259758, 3090151, 3255758, 4452151, 4519516, 6180302, 6511516, 8904302, 12360604, 12428669, 17808604, 24271979, 24857338, 33593503, 33991661, 48543958, 49714676, 67187006, 67983322, 97087916, 134374012, 135966644, 256482533, 266991769, 369528533, 512965066, 533983538, 739057066, 1025930132, 1067967076, 1478114132, 2014574257, 2821307863, 4029148514, 5509739233, 5642615726, 8058297028, 11019478466, 11285231452, 22038956932, 22160316827, 44320633654, 60607131563, 88641267308, 121214263126, 242428526252, 457308356339, 914616712678, 1829233425356, 5030391919729, 10060783839458, 20121567678916]

約数ペア:

[(1, 20121567678916), (2, 10060783839458), (4, 5030391919729), (11, 1829233425356), (22, 914616712678), (44, 457308356339), (83, 242428526252), (166, 121214263126), (227, 88641267308), (332, 60607131563), (454, 44320633654), (908, 22160316827), (913, 22038956932), (1783, 11285231452), (1826, 11019478466), (2497, 8058297028), (3566, 5642615726), (3652, 5509739233), (4994, 4029148514), (7132, 2821307863), (9988, 2014574257), (13613, 1478114132), (18841, 1067967076), (19613, 1025930132), (27226, 739057066), (37682, 533983538), (39226, 512965066), (54452, 369528533), (75364, 266991769), (78452, 256482533), (147989, 135966644), (149743, 134374012), (207251, 97087916), (295978, 67983322), (299486, 67187006), (404741, 49714676), (414502, 48543958), (591956, 33991661), (598972, 33593503), (809482, 24857338), (829004, 24271979), (1129879, 17808604), (1618964, 12428669), (1627879, 12360604), (2259758, 8904302), (3090151, 6511516), (3255758, 6180302), (4452151, 4519516)]