20053440

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:248

約数の個数: 224

約数和(自身を含む): 77541120

約数和(自身を除く): 57487680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 192, 198, 211, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 396, 422, 432, 440, 480, 495, 528, 540, 576, 594, 633, 660, 704, 720, 792, 844, 864, 880, 960, 990, 1055, 1056, 1080, 1188, 1266, 1320, 1440, 1485, 1584, 1688, 1728, 1760, 1899, 1980, 2110, 2112, 2160, 2321, 2376, 2532, 2640, 2880, 2970, 3165, 3168, 3376, 3520, 3798, 3960, 4220, 4320, 4642, 4752, 5064, 5280, 5697, 5940, 6330, 6336, 6752, 6963, 7596, 7920, 8440, 8640, 9284, 9495, 9504, 10128, 10560, 11394, 11605, 11880, 12660, 13504, 13926, 15192, 15840, 16880, 18568, 18990, 19008, 20256, 20889, 22788, 23210, 23760, 25320, 27852, 28485, 30384, 31680, 33760, 34815, 37136, 37980, 40512, 41778, 45576, 46420, 47520, 50640, 55704, 56970, 60768, 62667, 67520, 69630, 74272, 75960, 83556, 91152, 92840, 95040, 101280, 104445, 111408, 113940, 121536, 125334, 139260, 148544, 151920, 167112, 182304, 185680, 202560, 208890, 222816, 227880, 250668, 278520, 303840, 313335, 334224, 364608, 371360, 417780, 445632, 455760, 501336, 557040, 607680, 626670, 668448, 742720, 835560, 911520, 1002672, 1114080, 1253340, 1336896, 1671120, 1823040, 2005344, 2228160, 2506680, 3342240, 4010688, 5013360, 6684480, 10026720, 20053440]

約数ペア:

[(1, 20053440), (2, 10026720), (3, 6684480), (4, 5013360), (5, 4010688), (6, 3342240), (8, 2506680), (9, 2228160), (10, 2005344), (11, 1823040), (12, 1671120), (15, 1336896), (16, 1253340), (18, 1114080), (20, 1002672), (22, 911520), (24, 835560), (27, 742720), (30, 668448), (32, 626670), (33, 607680), (36, 557040), (40, 501336), (44, 455760), (45, 445632), (48, 417780), (54, 371360), (55, 364608), (60, 334224), (64, 313335), (66, 303840), (72, 278520), (80, 250668), (88, 227880), (90, 222816), (96, 208890), (99, 202560), (108, 185680), (110, 182304), (120, 167112), (132, 151920), (135, 148544), (144, 139260), (160, 125334), (165, 121536), (176, 113940), (180, 111408), (192, 104445), (198, 101280), (211, 95040), (216, 92840), (220, 91152), (240, 83556), (264, 75960), (270, 74272), (288, 69630), (297, 67520), (320, 62667), (330, 60768), (352, 56970), (360, 55704), (396, 50640), (422, 47520), (432, 46420), (440, 45576), (480, 41778), (495, 40512), (528, 37980), (540, 37136), (576, 34815), (594, 33760), (633, 31680), (660, 30384), (704, 28485), (720, 27852), (792, 25320), (844, 23760), (864, 23210), (880, 22788), (960, 20889), (990, 20256), (1055, 19008), (1056, 18990), (1080, 18568), (1188, 16880), (1266, 15840), (1320, 15192), (1440, 13926), (1485, 13504), (1584, 12660), (1688, 11880), (1728, 11605), (1760, 11394), (1899, 10560), (1980, 10128), (2110, 9504), (2112, 9495), (2160, 9284), (2321, 8640), (2376, 8440), (2532, 7920), (2640, 7596), (2880, 6963), (2970, 6752), (3165, 6336), (3168, 6330), (3376, 5940), (3520, 5697), (3798, 5280), (3960, 5064), (4220, 4752), (4320, 4642)]