20554776

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:278

約数の個数: 128

約数和(自身を含む): 64108800

約数和(自身を除く): 43554024

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 41, 44, 54, 66, 72, 82, 88, 99, 108, 123, 132, 164, 198, 211, 216, 246, 264, 297, 328, 369, 396, 422, 451, 492, 594, 633, 738, 792, 844, 902, 984, 1107, 1188, 1266, 1353, 1476, 1688, 1804, 1899, 2214, 2321, 2376, 2532, 2706, 2952, 3608, 3798, 4059, 4428, 4642, 5064, 5412, 5697, 6963, 7596, 8118, 8651, 8856, 9284, 10824, 11394, 12177, 13926, 15192, 16236, 17302, 18568, 20889, 22788, 24354, 25953, 27852, 32472, 34604, 41778, 45576, 48708, 51906, 55704, 62667, 69208, 77859, 83556, 95161, 97416, 103812, 125334, 155718, 167112, 190322, 207624, 233577, 250668, 285483, 311436, 380644, 467154, 501336, 570966, 622872, 761288, 856449, 934308, 1141932, 1712898, 1868616, 2283864, 2569347, 3425796, 5138694, 6851592, 10277388, 20554776]

約数ペア:

[(1, 20554776), (2, 10277388), (3, 6851592), (4, 5138694), (6, 3425796), (8, 2569347), (9, 2283864), (11, 1868616), (12, 1712898), (18, 1141932), (22, 934308), (24, 856449), (27, 761288), (33, 622872), (36, 570966), (41, 501336), (44, 467154), (54, 380644), (66, 311436), (72, 285483), (82, 250668), (88, 233577), (99, 207624), (108, 190322), (123, 167112), (132, 155718), (164, 125334), (198, 103812), (211, 97416), (216, 95161), (246, 83556), (264, 77859), (297, 69208), (328, 62667), (369, 55704), (396, 51906), (422, 48708), (451, 45576), (492, 41778), (594, 34604), (633, 32472), (738, 27852), (792, 25953), (844, 24354), (902, 22788), (984, 20889), (1107, 18568), (1188, 17302), (1266, 16236), (1353, 15192), (1476, 13926), (1688, 12177), (1804, 11394), (1899, 10824), (2214, 9284), (2321, 8856), (2376, 8651), (2532, 8118), (2706, 7596), (2952, 6963), (3608, 5697), (3798, 5412), (4059, 5064), (4428, 4642)]