20522964

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 64350720

約数和(自身を除く): 43827756

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 38, 42, 44, 49, 57, 66, 76, 77, 84, 98, 114, 132, 133, 147, 154, 167, 196, 209, 228, 231, 266, 294, 308, 334, 399, 418, 462, 501, 532, 539, 588, 627, 668, 798, 836, 924, 931, 1002, 1078, 1169, 1254, 1463, 1596, 1617, 1837, 1862, 2004, 2156, 2338, 2508, 2793, 2926, 3173, 3234, 3507, 3674, 3724, 4389, 4676, 5511, 5586, 5852, 6346, 6468, 7014, 7348, 8183, 8778, 9519, 10241, 11022, 11172, 12692, 12859, 14028, 16366, 17556, 19038, 20482, 22044, 22211, 24549, 25718, 30723, 32732, 34903, 38076, 38577, 40964, 44422, 49098, 51436, 61446, 66633, 69806, 77154, 88844, 90013, 98196, 104709, 122892, 133266, 139612, 154308, 155477, 180026, 209418, 244321, 266532, 270039, 310954, 360052, 418836, 466431, 488642, 540078, 621908, 732963, 932862, 977284, 1080156, 1465926, 1710247, 1865724, 2931852, 3420494, 5130741, 6840988, 10261482, 20522964]

約数ペア:

[(1, 20522964), (2, 10261482), (3, 6840988), (4, 5130741), (6, 3420494), (7, 2931852), (11, 1865724), (12, 1710247), (14, 1465926), (19, 1080156), (21, 977284), (22, 932862), (28, 732963), (33, 621908), (38, 540078), (42, 488642), (44, 466431), (49, 418836), (57, 360052), (66, 310954), (76, 270039), (77, 266532), (84, 244321), (98, 209418), (114, 180026), (132, 155477), (133, 154308), (147, 139612), (154, 133266), (167, 122892), (196, 104709), (209, 98196), (228, 90013), (231, 88844), (266, 77154), (294, 69806), (308, 66633), (334, 61446), (399, 51436), (418, 49098), (462, 44422), (501, 40964), (532, 38577), (539, 38076), (588, 34903), (627, 32732), (668, 30723), (798, 25718), (836, 24549), (924, 22211), (931, 22044), (1002, 20482), (1078, 19038), (1169, 17556), (1254, 16366), (1463, 14028), (1596, 12859), (1617, 12692), (1837, 11172), (1862, 11022), (2004, 10241), (2156, 9519), (2338, 8778), (2508, 8183), (2793, 7348), (2926, 7014), (3173, 6468), (3234, 6346), (3507, 5852), (3674, 5586), (3724, 5511), (4389, 4676)]