20796611332

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2179}}^1\times {\mathrm{7927}}^1$

素因数の和:10160

約数の個数: 48

約数和(自身を含む): 42585410560

約数和(自身を除く): 21788799228

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 2179, 4358, 7927, 8716, 15253, 15854, 30506, 31708, 55489, 61012, 93697, 110978, 187394, 221956, 340861, 374788, 655879, 681722, 1311758, 1363444, 2386027, 2623516, 4772054, 9544108, 17272933, 34545866, 69091732, 120910531, 241821062, 483642124, 742736119, 1485472238, 2970944476, 5199152833, 10398305666, 20796611332]

約数ペア:

[(1, 20796611332), (2, 10398305666), (4, 5199152833), (7, 2970944476), (14, 1485472238), (28, 742736119), (43, 483642124), (86, 241821062), (172, 120910531), (301, 69091732), (602, 34545866), (1204, 17272933), (2179, 9544108), (4358, 4772054), (7927, 2623516), (8716, 2386027), (15253, 1363444), (15854, 1311758), (30506, 681722), (31708, 655879), (55489, 374788), (61012, 340861), (93697, 221956), (110978, 187394)]