20456487192

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1222889}}^1$

素因数の和:1222956

約数の個数: 64

約数和(自身を含む): 55470290400

約数和(自身を除く): 35013803208

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 41, 51, 68, 82, 102, 123, 136, 164, 204, 246, 328, 408, 492, 697, 984, 1394, 2091, 2788, 4182, 5576, 8364, 16728, 1222889, 2445778, 3668667, 4891556, 7337334, 9783112, 14674668, 20789113, 29349336, 41578226, 50138449, 62367339, 83156452, 100276898, 124734678, 150415347, 166312904, 200553796, 249469356, 300830694, 401107592, 498938712, 601661388, 852353633, 1203322776, 1704707266, 2557060899, 3409414532, 5114121798, 6818829064, 10228243596, 20456487192]

約数ペア:

[(1, 20456487192), (2, 10228243596), (3, 6818829064), (4, 5114121798), (6, 3409414532), (8, 2557060899), (12, 1704707266), (17, 1203322776), (24, 852353633), (34, 601661388), (41, 498938712), (51, 401107592), (68, 300830694), (82, 249469356), (102, 200553796), (123, 166312904), (136, 150415347), (164, 124734678), (204, 100276898), (246, 83156452), (328, 62367339), (408, 50138449), (492, 41578226), (697, 29349336), (984, 20789113), (1394, 14674668), (2091, 9783112), (2788, 7337334), (4182, 4891556), (5576, 3668667), (8364, 2445778), (16728, 1222889)]