20003787584

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{1949}}^1$

素因数の和:2272

約数の個数: 112

約数和(自身を含む): 44220384000

約数和(自身を除く): 24216596416

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 176, 239, 244, 352, 478, 488, 671, 704, 956, 976, 1342, 1912, 1949, 1952, 2629, 2684, 3824, 3898, 3904, 5258, 5368, 7648, 7796, 10516, 10736, 14579, 15296, 15592, 21032, 21439, 21472, 29158, 31184, 42064, 42878, 42944, 58316, 62368, 84128, 85756, 116632, 118889, 124736, 160369, 168256, 171512, 233264, 237778, 320738, 343024, 465811, 466528, 475556, 641476, 686048, 931622, 933056, 951112, 1282952, 1307779, 1372096, 1863244, 1902224, 2565904, 2615558, 3726488, 3804448, 5123921, 5131808, 5231116, 7452976, 7608896, 10247842, 10263616, 10462232, 14905952, 20495684, 20924464, 28414471, 29811904, 40991368, 41848928, 56828942, 81982736, 83697856, 113657884, 163965472, 227315768, 312559181, 327930944, 454631536, 625118362, 909263072, 1250236724, 1818526144, 2500473448, 5000946896, 10001893792, 20003787584]

約数ペア:

[(1, 20003787584), (2, 10001893792), (4, 5000946896), (8, 2500473448), (11, 1818526144), (16, 1250236724), (22, 909263072), (32, 625118362), (44, 454631536), (61, 327930944), (64, 312559181), (88, 227315768), (122, 163965472), (176, 113657884), (239, 83697856), (244, 81982736), (352, 56828942), (478, 41848928), (488, 40991368), (671, 29811904), (704, 28414471), (956, 20924464), (976, 20495684), (1342, 14905952), (1912, 10462232), (1949, 10263616), (1952, 10247842), (2629, 7608896), (2684, 7452976), (3824, 5231116), (3898, 5131808), (3904, 5123921), (5258, 3804448), (5368, 3726488), (7648, 2615558), (7796, 2565904), (10516, 1902224), (10736, 1863244), (14579, 1372096), (15296, 1307779), (15592, 1282952), (21032, 951112), (21439, 933056), (21472, 931622), (29158, 686048), (31184, 641476), (42064, 475556), (42878, 466528), (42944, 465811), (58316, 343024), (62368, 320738), (84128, 237778), (85756, 233264), (116632, 171512), (118889, 168256), (124736, 160369)]