20458090947

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{503}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 32085172224

約数和(自身を除く): 11627081277

約数列:

[1, 3, 7, 21, 67, 137, 201, 211, 411, 469, 503, 633, 959, 1407, 1477, 1509, 2877, 3521, 4431, 9179, 10563, 14137, 27537, 28907, 33701, 42411, 64253, 68911, 86721, 98959, 101103, 106133, 192759, 202349, 206733, 235907, 296877, 318399, 482377, 607047, 707721, 742931, 1447131, 1936769, 2228793, 4617037, 5810307, 7110911, 13557383, 13851111, 14540221, 21332733, 32319259, 40672149, 43620663, 49776377, 96957777, 101781547, 149329131, 305344641, 974194807, 2922584421, 6819363649, 20458090947]

約数ペア:

[(1, 20458090947), (3, 6819363649), (7, 2922584421), (21, 974194807), (67, 305344641), (137, 149329131), (201, 101781547), (211, 96957777), (411, 49776377), (469, 43620663), (503, 40672149), (633, 32319259), (959, 21332733), (1407, 14540221), (1477, 13851111), (1509, 13557383), (2877, 7110911), (3521, 5810307), (4431, 4617037), (9179, 2228793), (10563, 1936769), (14137, 1447131), (27537, 742931), (28907, 707721), (33701, 607047), (42411, 482377), (64253, 318399), (68911, 296877), (86721, 235907), (98959, 206733), (101103, 202349), (106133, 192759)]