20991802752

素因数分解:

$2^7\times 3^3\times {\mathrm{2141}}^1\times {\mathrm{2837}}^1$

素因数の和:5001

約数の個数: 128

約数和(自身を含む): 62005759200

約数和(自身を除く): 41013956448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 288, 384, 432, 576, 864, 1152, 1728, 2141, 2837, 3456, 4282, 5674, 6423, 8511, 8564, 11348, 12846, 17022, 17128, 19269, 22696, 25533, 25692, 34044, 34256, 38538, 45392, 51066, 51384, 57807, 68088, 68512, 76599, 77076, 90784, 102132, 102768, 115614, 136176, 137024, 153198, 154152, 181568, 204264, 205536, 231228, 272352, 274048, 306396, 308304, 363136, 408528, 411072, 462456, 544704, 612792, 616608, 817056, 822144, 924912, 1089408, 1225584, 1233216, 1634112, 1849824, 2451168, 2466432, 3268224, 3699648, 4902336, 6074017, 7399296, 9804672, 12148034, 18222051, 24296068, 36444102, 48592136, 54666153, 72888204, 97184272, 109332306, 145776408, 163998459, 194368544, 218664612, 291552816, 327996918, 388737088, 437329224, 583105632, 655993836, 777474176, 874658448, 1166211264, 1311987672, 1749316896, 2332422528, 2623975344, 3498633792, 5247950688, 6997267584, 10495901376, 20991802752]

約数ペア:

[(1, 20991802752), (2, 10495901376), (3, 6997267584), (4, 5247950688), (6, 3498633792), (8, 2623975344), (9, 2332422528), (12, 1749316896), (16, 1311987672), (18, 1166211264), (24, 874658448), (27, 777474176), (32, 655993836), (36, 583105632), (48, 437329224), (54, 388737088), (64, 327996918), (72, 291552816), (96, 218664612), (108, 194368544), (128, 163998459), (144, 145776408), (192, 109332306), (216, 97184272), (288, 72888204), (384, 54666153), (432, 48592136), (576, 36444102), (864, 24296068), (1152, 18222051), (1728, 12148034), (2141, 9804672), (2837, 7399296), (3456, 6074017), (4282, 4902336), (5674, 3699648), (6423, 3268224), (8511, 2466432), (8564, 2451168), (11348, 1849824), (12846, 1634112), (17022, 1233216), (17128, 1225584), (19269, 1089408), (22696, 924912), (25533, 822144), (25692, 817056), (34044, 616608), (34256, 612792), (38538, 544704), (45392, 462456), (51066, 411072), (51384, 408528), (57807, 363136), (68088, 308304), (68512, 306396), (76599, 274048), (77076, 272352), (90784, 231228), (102132, 205536), (102768, 204264), (115614, 181568), (136176, 154152), (137024, 153198)]