20815722019197

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{570221}}^1$

素因数の和:570384

約数の個数: 144

約数和(自身を含む): 37723880338560

約数和(自身を除く): 16908158319363

約数列:

[1, 3, 7, 9, 21, 23, 49, 59, 61, 63, 69, 147, 161, 177, 183, 207, 413, 427, 441, 483, 531, 549, 1127, 1239, 1281, 1357, 1403, 1449, 2891, 2989, 3381, 3599, 3717, 3843, 4071, 4209, 8673, 8967, 9499, 9821, 10143, 10797, 12213, 12627, 25193, 26019, 26901, 28497, 29463, 32391, 66493, 68747, 75579, 82777, 85491, 88389, 176351, 199479, 206241, 226737, 248331, 529053, 570221, 579439, 598437, 618723, 744993, 1587159, 1710663, 1738317, 3991547, 4056073, 5131989, 5214951, 11974641, 12168219, 13115083, 27940829, 33643039, 34783481, 35923923, 36504657, 39345249, 83822487, 91805581, 100929117, 104350443, 118035747, 235501273, 243484367, 251467461, 275416743, 302787351, 313051329, 642639067, 706503819, 730453101, 773789897, 800020063, 826250229, 1648508911, 1704390569, 1927917201, 2052225379, 2119511457, 2191359303, 2321369691, 2400060189, 4945526733, 5113171707, 5416529279, 5600140441, 5783751603, 6156676137, 6964109073, 7200180567, 14365577653, 14836580199, 15339515121, 16249587837, 16800421323, 18470028411, 37915704953, 39200983087, 43096732959, 47201183717, 48748763511, 50401263969, 100559043571, 113747114859, 117602949261, 129290198877, 141603551151, 301677130713, 330408286019, 341241344577, 352808847783, 424810653453, 905031392139, 991224858057, 2312858002133, 2973674574171, 6938574006399, 20815722019197]

約数ペア:

[(1, 20815722019197), (3, 6938574006399), (7, 2973674574171), (9, 2312858002133), (21, 991224858057), (23, 905031392139), (49, 424810653453), (59, 352808847783), (61, 341241344577), (63, 330408286019), (69, 301677130713), (147, 141603551151), (161, 129290198877), (177, 117602949261), (183, 113747114859), (207, 100559043571), (413, 50401263969), (427, 48748763511), (441, 47201183717), (483, 43096732959), (531, 39200983087), (549, 37915704953), (1127, 18470028411), (1239, 16800421323), (1281, 16249587837), (1357, 15339515121), (1403, 14836580199), (1449, 14365577653), (2891, 7200180567), (2989, 6964109073), (3381, 6156676137), (3599, 5783751603), (3717, 5600140441), (3843, 5416529279), (4071, 5113171707), (4209, 4945526733), (8673, 2400060189), (8967, 2321369691), (9499, 2191359303), (9821, 2119511457), (10143, 2052225379), (10797, 1927917201), (12213, 1704390569), (12627, 1648508911), (25193, 826250229), (26019, 800020063), (26901, 773789897), (28497, 730453101), (29463, 706503819), (32391, 642639067), (66493, 313051329), (68747, 302787351), (75579, 275416743), (82777, 251467461), (85491, 243484367), (88389, 235501273), (176351, 118035747), (199479, 104350443), (206241, 100929117), (226737, 91805581), (248331, 83822487), (529053, 39345249), (570221, 36504657), (579439, 35923923), (598437, 34783481), (618723, 33643039), (744993, 27940829), (1587159, 13115083), (1710663, 12168219), (1738317, 11974641), (3991547, 5214951), (4056073, 5131989)]