20863300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 48496896

約数和(自身を除く): 27633596

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 188, 193, 230, 235, 386, 460, 470, 575, 772, 940, 965, 1081, 1150, 1175, 1930, 2162, 2300, 2350, 3860, 4324, 4439, 4700, 4825, 5405, 8878, 9071, 9650, 10810, 17756, 18142, 19300, 21620, 22195, 27025, 36284, 44390, 45355, 54050, 88780, 90710, 108100, 110975, 181420, 208633, 221950, 226775, 417266, 443900, 453550, 834532, 907100, 1043165, 2086330, 4172660, 5215825, 10431650, 20863300]

約数ペア:

[(1, 20863300), (2, 10431650), (4, 5215825), (5, 4172660), (10, 2086330), (20, 1043165), (23, 907100), (25, 834532), (46, 453550), (47, 443900), (50, 417266), (92, 226775), (94, 221950), (100, 208633), (115, 181420), (188, 110975), (193, 108100), (230, 90710), (235, 88780), (386, 54050), (460, 45355), (470, 44390), (575, 36284), (772, 27025), (940, 22195), (965, 21620), (1081, 19300), (1150, 18142), (1175, 17756), (1930, 10810), (2162, 9650), (2300, 9071), (2350, 8878), (3860, 5405), (4324, 4825), (4439, 4700)]