20985072

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25717}}^1$

素因数の和:25745

約数の個数: 40

約数和(自身を含む): 57402576

約数和(自身を除く): 36417504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25717, 51434, 77151, 102868, 154302, 205736, 308604, 411472, 437189, 617208, 874378, 1234416, 1311567, 1748756, 2623134, 3497512, 5246268, 6995024, 10492536, 20985072]

約数ペア:

[(1, 20985072), (2, 10492536), (3, 6995024), (4, 5246268), (6, 3497512), (8, 2623134), (12, 1748756), (16, 1311567), (17, 1234416), (24, 874378), (34, 617208), (48, 437189), (51, 411472), (68, 308604), (102, 205736), (136, 154302), (204, 102868), (272, 77151), (408, 51434), (816, 25717)]