20948144

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3529}}^1$

素因数の和:3597

約数の個数: 40

約数和(自身を含む): 47273760

約数和(自身を除く): 26325616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3529, 5936, 7058, 14116, 24703, 28232, 49406, 56464, 98812, 187037, 197624, 374074, 395248, 748148, 1309259, 1496296, 2618518, 2992592, 5237036, 10474072, 20948144]

約数ペア:

[(1, 20948144), (2, 10474072), (4, 5237036), (7, 2992592), (8, 2618518), (14, 1496296), (16, 1309259), (28, 748148), (53, 395248), (56, 374074), (106, 197624), (112, 187037), (212, 98812), (371, 56464), (424, 49406), (742, 28232), (848, 24703), (1484, 14116), (2968, 7058), (3529, 5936)]