20903624

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7043}}^1$

素因数の和:7109

約数の個数: 32

約数和(自身を含む): 45645120

約数和(自身を除く): 24741496

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7043, 14086, 28172, 49301, 56344, 98602, 197204, 373279, 394408, 746558, 1493116, 2612953, 2986232, 5225906, 10451812, 20903624]

約数ペア:

[(1, 20903624), (2, 10451812), (4, 5225906), (7, 2986232), (8, 2612953), (14, 1493116), (28, 746558), (53, 394408), (56, 373279), (106, 197204), (212, 98602), (371, 56344), (424, 49301), (742, 28172), (1484, 14086), (2968, 7043)]