20689623488

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{24623}}^1$

素因数の和:25345

約数の個数: 56

約数和(自身を含む): 43281112320

約数和(自身を除く): 22591488832

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 691, 1216, 1382, 2764, 5528, 11056, 13129, 22112, 24623, 26258, 44224, 49246, 52516, 98492, 105032, 196984, 210064, 393968, 420128, 467837, 787936, 840256, 935674, 1575872, 1871348, 3742696, 7485392, 14970784, 17014493, 29941568, 34028986, 68057972, 136115944, 272231888, 323275367, 544463776, 646550734, 1088927552, 1293101468, 2586202936, 5172405872, 10344811744, 20689623488]

約数ペア:

[(1, 20689623488), (2, 10344811744), (4, 5172405872), (8, 2586202936), (16, 1293101468), (19, 1088927552), (32, 646550734), (38, 544463776), (64, 323275367), (76, 272231888), (152, 136115944), (304, 68057972), (608, 34028986), (691, 29941568), (1216, 17014493), (1382, 14970784), (2764, 7485392), (5528, 3742696), (11056, 1871348), (13129, 1575872), (22112, 935674), (24623, 840256), (26258, 787936), (44224, 467837), (49246, 420128), (52516, 393968), (98492, 210064), (105032, 196984)]