20454940656

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{122561}}^1$

素因数の和:122655

約数の個数: 120

約数和(自身を含む): 61246682640

約数和(自身を除く): 40791741984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 61, 72, 76, 114, 122, 144, 152, 171, 183, 228, 244, 304, 342, 366, 456, 488, 549, 684, 732, 912, 976, 1098, 1159, 1368, 1464, 2196, 2318, 2736, 2928, 3477, 4392, 4636, 6954, 8784, 9272, 10431, 13908, 18544, 20862, 27816, 41724, 55632, 83448, 122561, 166896, 245122, 367683, 490244, 735366, 980488, 1103049, 1470732, 1960976, 2206098, 2328659, 2941464, 4412196, 4657318, 5882928, 6985977, 7476221, 8824392, 9314636, 13971954, 14952442, 17648784, 18629272, 20957931, 22428663, 27943908, 29904884, 37258544, 41915862, 44857326, 55887816, 59809768, 67285989, 83831724, 89714652, 111775632, 119619536, 134571978, 142048199, 167663448, 179429304, 269143956, 284096398, 335326896, 358858608, 426144597, 538287912, 568192796, 852289194, 1076575824, 1136385592, 1278433791, 1704578388, 2272771184, 2556867582, 3409156776, 5113735164, 6818313552, 10227470328, 20454940656]

約数ペア:

[(1, 20454940656), (2, 10227470328), (3, 6818313552), (4, 5113735164), (6, 3409156776), (8, 2556867582), (9, 2272771184), (12, 1704578388), (16, 1278433791), (18, 1136385592), (19, 1076575824), (24, 852289194), (36, 568192796), (38, 538287912), (48, 426144597), (57, 358858608), (61, 335326896), (72, 284096398), (76, 269143956), (114, 179429304), (122, 167663448), (144, 142048199), (152, 134571978), (171, 119619536), (183, 111775632), (228, 89714652), (244, 83831724), (304, 67285989), (342, 59809768), (366, 55887816), (456, 44857326), (488, 41915862), (549, 37258544), (684, 29904884), (732, 27943908), (912, 22428663), (976, 20957931), (1098, 18629272), (1159, 17648784), (1368, 14952442), (1464, 13971954), (2196, 9314636), (2318, 8824392), (2736, 7476221), (2928, 6985977), (3477, 5882928), (4392, 4657318), (4636, 4412196), (6954, 2941464), (8784, 2328659), (9272, 2206098), (10431, 1960976), (13908, 1470732), (18544, 1103049), (20862, 980488), (27816, 735366), (41724, 490244), (55632, 367683), (83448, 245122), (122561, 166896)]