20389842

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 51554880

約数和(自身を除く): 31165038

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 53, 58, 66, 67, 87, 99, 106, 134, 159, 174, 198, 201, 261, 318, 319, 402, 477, 522, 583, 603, 638, 737, 954, 957, 1166, 1206, 1474, 1537, 1749, 1914, 1943, 2211, 2871, 3074, 3498, 3551, 3886, 4422, 4611, 5247, 5742, 5829, 6633, 7102, 9222, 10494, 10653, 11658, 13266, 13833, 16907, 17487, 21306, 21373, 27666, 31959, 33814, 34974, 39061, 42746, 50721, 63918, 64119, 78122, 101442, 102979, 117183, 128238, 152163, 192357, 205958, 234366, 304326, 308937, 351549, 384714, 617874, 703098, 926811, 1132769, 1853622, 2265538, 3398307, 6796614, 10194921, 20389842]

約数ペア:

[(1, 20389842), (2, 10194921), (3, 6796614), (6, 3398307), (9, 2265538), (11, 1853622), (18, 1132769), (22, 926811), (29, 703098), (33, 617874), (53, 384714), (58, 351549), (66, 308937), (67, 304326), (87, 234366), (99, 205958), (106, 192357), (134, 152163), (159, 128238), (174, 117183), (198, 102979), (201, 101442), (261, 78122), (318, 64119), (319, 63918), (402, 50721), (477, 42746), (522, 39061), (583, 34974), (603, 33814), (638, 31959), (737, 27666), (954, 21373), (957, 21306), (1166, 17487), (1206, 16907), (1474, 13833), (1537, 13266), (1749, 11658), (1914, 10653), (1943, 10494), (2211, 9222), (2871, 7102), (3074, 6633), (3498, 5829), (3551, 5742), (3886, 5247), (4422, 4611)]