20651245384

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{1949}}^1$

素因数の和:2243

約数の個数: 128

約数和(自身を含む): 49061376000

約数和(自身を除く): 28410130616

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 103, 154, 167, 206, 308, 334, 412, 616, 668, 721, 824, 1133, 1169, 1336, 1442, 1837, 1949, 2266, 2338, 2884, 3674, 3898, 4532, 4676, 5768, 7348, 7796, 7931, 9064, 9352, 12859, 13643, 14696, 15592, 15862, 17201, 21439, 25718, 27286, 31724, 34402, 42878, 51436, 54572, 63448, 68804, 85756, 102872, 109144, 120407, 137608, 150073, 171512, 189211, 200747, 240814, 300146, 325483, 378422, 401494, 481628, 600292, 650966, 756844, 802988, 963256, 1200584, 1301932, 1324477, 1405229, 1513688, 1605976, 2208217, 2278381, 2603864, 2648954, 2810458, 3580313, 4416434, 4556762, 5297908, 5620916, 7160626, 8832868, 9113524, 10595816, 11241832, 14321252, 15457519, 17665736, 18227048, 25062191, 28642504, 30915038, 33524749, 50124382, 61830076, 67049498, 100248764, 123660152, 134098996, 200497528, 234673243, 268197992, 368772239, 469346486, 737544478, 938692972, 1475088956, 1877385944, 2581405673, 2950177912, 5162811346, 10325622692, 20651245384]

約数ペア:

[(1, 20651245384), (2, 10325622692), (4, 5162811346), (7, 2950177912), (8, 2581405673), (11, 1877385944), (14, 1475088956), (22, 938692972), (28, 737544478), (44, 469346486), (56, 368772239), (77, 268197992), (88, 234673243), (103, 200497528), (154, 134098996), (167, 123660152), (206, 100248764), (308, 67049498), (334, 61830076), (412, 50124382), (616, 33524749), (668, 30915038), (721, 28642504), (824, 25062191), (1133, 18227048), (1169, 17665736), (1336, 15457519), (1442, 14321252), (1837, 11241832), (1949, 10595816), (2266, 9113524), (2338, 8832868), (2884, 7160626), (3674, 5620916), (3898, 5297908), (4532, 4556762), (4676, 4416434), (5768, 3580313), (7348, 2810458), (7796, 2648954), (7931, 2603864), (9064, 2278381), (9352, 2208217), (12859, 1605976), (13643, 1513688), (14696, 1405229), (15592, 1324477), (15862, 1301932), (17201, 1200584), (21439, 963256), (25718, 802988), (27286, 756844), (31724, 650966), (34402, 600292), (42878, 481628), (51436, 401494), (54572, 378422), (63448, 325483), (68804, 300146), (85756, 240814), (102872, 200747), (109144, 189211), (120407, 171512), (137608, 150073)]