20281436

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 43411200

約数和(自身を除く): 23129764

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 569, 938, 1138, 1273, 1876, 2276, 2546, 3983, 5092, 7966, 8911, 10811, 15932, 17822, 21622, 35644, 38123, 43244, 75677, 76246, 151354, 152492, 266861, 302708, 533722, 724337, 1067444, 1448674, 2897348, 5070359, 10140718, 20281436]

約数ペア:

[(1, 20281436), (2, 10140718), (4, 5070359), (7, 2897348), (14, 1448674), (19, 1067444), (28, 724337), (38, 533722), (67, 302708), (76, 266861), (133, 152492), (134, 151354), (266, 76246), (268, 75677), (469, 43244), (532, 38123), (569, 35644), (938, 21622), (1138, 17822), (1273, 15932), (1876, 10811), (2276, 8911), (2546, 7966), (3983, 5092)]