20643464128

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{13399}}^1$

素因数の和:13618

約数の個数: 112

約数和(自身を含む): 49556416000

約数和(自身を除く): 28912951872

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 181, 224, 266, 304, 362, 448, 532, 608, 724, 1064, 1216, 1267, 1448, 2128, 2534, 2896, 3439, 4256, 5068, 5792, 6878, 8512, 10136, 11584, 13399, 13756, 20272, 24073, 26798, 27512, 40544, 48146, 53596, 55024, 81088, 93793, 96292, 107192, 110048, 187586, 192584, 214384, 220096, 254581, 375172, 385168, 428768, 509162, 750344, 770336, 857536, 1018324, 1500688, 1540672, 1782067, 2036648, 2425219, 3001376, 3564134, 4073296, 4850438, 6002752, 7128268, 8146592, 9700876, 14256536, 16293184, 16976533, 19401752, 28513072, 33953066, 38803504, 46079161, 57026144, 67906132, 77607008, 92158322, 114052288, 135812264, 155214016, 184316644, 271624528, 322554127, 368633288, 543249056, 645108254, 737266576, 1086498112, 1290216508, 1474533152, 2580433016, 2949066304, 5160866032, 10321732064, 20643464128]

約数ペア:

[(1, 20643464128), (2, 10321732064), (4, 5160866032), (7, 2949066304), (8, 2580433016), (14, 1474533152), (16, 1290216508), (19, 1086498112), (28, 737266576), (32, 645108254), (38, 543249056), (56, 368633288), (64, 322554127), (76, 271624528), (112, 184316644), (133, 155214016), (152, 135812264), (181, 114052288), (224, 92158322), (266, 77607008), (304, 67906132), (362, 57026144), (448, 46079161), (532, 38803504), (608, 33953066), (724, 28513072), (1064, 19401752), (1216, 16976533), (1267, 16293184), (1448, 14256536), (2128, 9700876), (2534, 8146592), (2896, 7128268), (3439, 6002752), (4256, 4850438), (5068, 4073296), (5792, 3564134), (6878, 3001376), (8512, 2425219), (10136, 2036648), (11584, 1782067), (13399, 1540672), (13756, 1500688), (20272, 1018324), (24073, 857536), (26798, 770336), (27512, 750344), (40544, 509162), (48146, 428768), (53596, 385168), (55024, 375172), (81088, 254581), (93793, 220096), (96292, 214384), (107192, 192584), (110048, 187586)]