20789768448

素因数分解:

$2^8\times 3^4\times {\mathrm{23}}^1\times {\mathrm{43591}}^1$

素因数の和:43642

約数の個数: 180

約数和(自身を含む): 64688086848

約数和(自身を除く): 43898318400

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 128, 138, 144, 162, 184, 192, 207, 216, 256, 276, 288, 324, 368, 384, 414, 432, 552, 576, 621, 648, 736, 768, 828, 864, 1104, 1152, 1242, 1296, 1472, 1656, 1728, 1863, 2208, 2304, 2484, 2592, 2944, 3312, 3456, 3726, 4416, 4968, 5184, 5888, 6624, 6912, 7452, 8832, 9936, 10368, 13248, 14904, 17664, 19872, 20736, 26496, 29808, 39744, 43591, 52992, 59616, 79488, 87182, 119232, 130773, 158976, 174364, 238464, 261546, 348728, 392319, 476928, 523092, 697456, 784638, 1002593, 1046184, 1176957, 1394912, 1569276, 2005186, 2092368, 2353914, 2789824, 3007779, 3138552, 3530871, 4010372, 4184736, 4707828, 5579648, 6015558, 6277104, 7061742, 8020744, 8369472, 9023337, 9415656, 11159296, 12031116, 12554208, 14123484, 16041488, 16738944, 18046674, 18831312, 24062232, 25108416, 27070011, 28246968, 32082976, 33477888, 36093348, 37662624, 48124464, 50216832, 54140022, 56493936, 64165952, 72186696, 75325248, 81210033, 96248928, 100433664, 108280044, 112987872, 128331904, 144373392, 150650496, 162420066, 192497856, 216560088, 225975744, 256663808, 288746784, 301300992, 324840132, 384995712, 433120176, 451951488, 577493568, 649680264, 769991424, 866240352, 903902976, 1154987136, 1299360528, 1732480704, 2309974272, 2598721056, 3464961408, 5197442112, 6929922816, 10394884224, 20789768448]

約数ペア:

[(1, 20789768448), (2, 10394884224), (3, 6929922816), (4, 5197442112), (6, 3464961408), (8, 2598721056), (9, 2309974272), (12, 1732480704), (16, 1299360528), (18, 1154987136), (23, 903902976), (24, 866240352), (27, 769991424), (32, 649680264), (36, 577493568), (46, 451951488), (48, 433120176), (54, 384995712), (64, 324840132), (69, 301300992), (72, 288746784), (81, 256663808), (92, 225975744), (96, 216560088), (108, 192497856), (128, 162420066), (138, 150650496), (144, 144373392), (162, 128331904), (184, 112987872), (192, 108280044), (207, 100433664), (216, 96248928), (256, 81210033), (276, 75325248), (288, 72186696), (324, 64165952), (368, 56493936), (384, 54140022), (414, 50216832), (432, 48124464), (552, 37662624), (576, 36093348), (621, 33477888), (648, 32082976), (736, 28246968), (768, 27070011), (828, 25108416), (864, 24062232), (1104, 18831312), (1152, 18046674), (1242, 16738944), (1296, 16041488), (1472, 14123484), (1656, 12554208), (1728, 12031116), (1863, 11159296), (2208, 9415656), (2304, 9023337), (2484, 8369472), (2592, 8020744), (2944, 7061742), (3312, 6277104), (3456, 6015558), (3726, 5579648), (4416, 4707828), (4968, 4184736), (5184, 4010372), (5888, 3530871), (6624, 3138552), (6912, 3007779), (7452, 2789824), (8832, 2353914), (9936, 2092368), (10368, 2005186), (13248, 1569276), (14904, 1394912), (17664, 1176957), (19872, 1046184), (20736, 1002593), (26496, 784638), (29808, 697456), (39744, 523092), (43591, 476928), (52992, 392319), (59616, 348728), (79488, 261546), (87182, 238464), (119232, 174364), (130773, 158976)]