20291206352

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{293}}^1\times {\mathrm{461}}^1$

素因数の和:1032

約数の個数: 80

約数和(自身を含む): 40675052880

約数和(自身を除く): 20383846528

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 229, 293, 328, 458, 461, 586, 656, 916, 922, 1172, 1832, 1844, 2344, 3664, 3688, 4688, 7376, 9389, 12013, 18778, 18901, 24026, 37556, 37802, 48052, 67097, 75112, 75604, 96104, 105569, 134194, 135073, 150224, 151208, 192208, 211138, 268388, 270146, 302416, 422276, 536776, 540292, 844552, 1073552, 1080584, 1689104, 2161168, 2750977, 4328329, 5501954, 5537993, 8656658, 11003908, 11075986, 17313316, 22007816, 22151972, 30931717, 34626632, 44015632, 44303944, 61863434, 69253264, 88607888, 123726868, 247453736, 494907472, 1268200397, 2536400794, 5072801588, 10145603176, 20291206352]

約数ペア:

[(1, 20291206352), (2, 10145603176), (4, 5072801588), (8, 2536400794), (16, 1268200397), (41, 494907472), (82, 247453736), (164, 123726868), (229, 88607888), (293, 69253264), (328, 61863434), (458, 44303944), (461, 44015632), (586, 34626632), (656, 30931717), (916, 22151972), (922, 22007816), (1172, 17313316), (1832, 11075986), (1844, 11003908), (2344, 8656658), (3664, 5537993), (3688, 5501954), (4688, 4328329), (7376, 2750977), (9389, 2161168), (12013, 1689104), (18778, 1080584), (18901, 1073552), (24026, 844552), (37556, 540292), (37802, 536776), (48052, 422276), (67097, 302416), (75112, 270146), (75604, 268388), (96104, 211138), (105569, 192208), (134194, 151208), (135073, 150224)]