20193472

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1867}}^1$

素因数の和:1905

約数の個数: 42

約数和(自身を含む): 43414188

約数和(自身を除く): 23220716

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 1867, 2704, 3734, 5408, 7468, 10816, 14936, 24271, 29872, 48542, 59744, 97084, 119488, 194168, 315523, 388336, 631046, 776672, 1262092, 1553344, 2524184, 5048368, 10096736, 20193472]

約数ペア:

[(1, 20193472), (2, 10096736), (4, 5048368), (8, 2524184), (13, 1553344), (16, 1262092), (26, 776672), (32, 631046), (52, 388336), (64, 315523), (104, 194168), (169, 119488), (208, 97084), (338, 59744), (416, 48542), (676, 29872), (832, 24271), (1352, 14936), (1867, 10816), (2704, 7468), (3734, 5408)]