20125971880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{153259}}^1$

素因数の和:153351

約数の個数: 96

約数和(自身を含む): 53463218400

約数和(自身を除く): 33337246520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 67, 70, 98, 134, 140, 196, 245, 268, 280, 335, 392, 469, 490, 536, 670, 938, 980, 1340, 1876, 1960, 2345, 2680, 3283, 3752, 4690, 6566, 9380, 13132, 16415, 18760, 26264, 32830, 65660, 131320, 153259, 306518, 613036, 766295, 1072813, 1226072, 1532590, 2145626, 3065180, 4291252, 5364065, 6130360, 7509691, 8582504, 10268353, 10728130, 15019382, 20536706, 21456260, 30038764, 37548455, 41073412, 42912520, 51341765, 60077528, 71878471, 75096910, 82146824, 102683530, 143756942, 150193820, 205367060, 287513884, 300387640, 359392355, 410734120, 503149297, 575027768, 718784710, 1006298594, 1437569420, 2012597188, 2515746485, 2875138840, 4025194376, 5031492970, 10062985940, 20125971880]

約数ペア:

[(1, 20125971880), (2, 10062985940), (4, 5031492970), (5, 4025194376), (7, 2875138840), (8, 2515746485), (10, 2012597188), (14, 1437569420), (20, 1006298594), (28, 718784710), (35, 575027768), (40, 503149297), (49, 410734120), (56, 359392355), (67, 300387640), (70, 287513884), (98, 205367060), (134, 150193820), (140, 143756942), (196, 102683530), (245, 82146824), (268, 75096910), (280, 71878471), (335, 60077528), (392, 51341765), (469, 42912520), (490, 41073412), (536, 37548455), (670, 30038764), (938, 21456260), (980, 20536706), (1340, 15019382), (1876, 10728130), (1960, 10268353), (2345, 8582504), (2680, 7509691), (3283, 6130360), (3752, 5364065), (4690, 4291252), (6566, 3065180), (9380, 2145626), (13132, 1532590), (16415, 1226072), (18760, 1072813), (26264, 766295), (32830, 613036), (65660, 306518), (131320, 153259)]