20815696426

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{4093}}^1$

素因数の和:4339

約数の個数: 64

約数和(自身を含む): 37353000960

約数和(自身を除く): 16537304534

約数列:

[1, 2, 7, 14, 47, 59, 94, 118, 131, 262, 329, 413, 658, 826, 917, 1834, 2773, 4093, 5546, 6157, 7729, 8186, 12314, 15458, 19411, 28651, 38822, 43099, 54103, 57302, 86198, 108206, 192371, 241487, 363263, 384742, 482974, 536183, 726526, 1072366, 1346597, 1690409, 2542841, 2693194, 3380818, 3753281, 5085682, 7506562, 11349889, 22699778, 25200601, 31634797, 50401202, 63269594, 79449223, 158898446, 176404207, 221443579, 352808414, 442887158, 1486835459, 2973670918, 10407848213, 20815696426]

約数ペア:

[(1, 20815696426), (2, 10407848213), (7, 2973670918), (14, 1486835459), (47, 442887158), (59, 352808414), (94, 221443579), (118, 176404207), (131, 158898446), (262, 79449223), (329, 63269594), (413, 50401202), (658, 31634797), (826, 25200601), (917, 22699778), (1834, 11349889), (2773, 7506562), (4093, 5085682), (5546, 3753281), (6157, 3380818), (7729, 2693194), (8186, 2542841), (12314, 1690409), (15458, 1346597), (19411, 1072366), (28651, 726526), (38822, 536183), (43099, 482974), (54103, 384742), (57302, 363263), (86198, 241487), (108206, 192371)]