20948004

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{229}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 68521600

約数和(自身を除く): 47573596

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 84, 99, 108, 121, 126, 132, 154, 189, 198, 229, 231, 242, 252, 297, 308, 363, 378, 396, 458, 462, 484, 594, 687, 693, 726, 756, 847, 916, 924, 1089, 1188, 1374, 1386, 1452, 1603, 1694, 2061, 2079, 2178, 2519, 2541, 2748, 2772, 3206, 3267, 3388, 4122, 4158, 4356, 4809, 5038, 5082, 6183, 6412, 6534, 7557, 7623, 8244, 8316, 9618, 10076, 10164, 12366, 13068, 14427, 15114, 15246, 17633, 19236, 22671, 22869, 24732, 27709, 28854, 30228, 30492, 35266, 43281, 45342, 45738, 52899, 55418, 57708, 68013, 70532, 83127, 86562, 90684, 91476, 105798, 110836, 136026, 158697, 166254, 173124, 193963, 211596, 249381, 272052, 317394, 332508, 387926, 476091, 498762, 581889, 634788, 748143, 775852, 952182, 997524, 1163778, 1496286, 1745667, 1904364, 2327556, 2992572, 3491334, 5237001, 6982668, 10474002, 20948004]

約数ペア:

[(1, 20948004), (2, 10474002), (3, 6982668), (4, 5237001), (6, 3491334), (7, 2992572), (9, 2327556), (11, 1904364), (12, 1745667), (14, 1496286), (18, 1163778), (21, 997524), (22, 952182), (27, 775852), (28, 748143), (33, 634788), (36, 581889), (42, 498762), (44, 476091), (54, 387926), (63, 332508), (66, 317394), (77, 272052), (84, 249381), (99, 211596), (108, 193963), (121, 173124), (126, 166254), (132, 158697), (154, 136026), (189, 110836), (198, 105798), (229, 91476), (231, 90684), (242, 86562), (252, 83127), (297, 70532), (308, 68013), (363, 57708), (378, 55418), (396, 52899), (458, 45738), (462, 45342), (484, 43281), (594, 35266), (687, 30492), (693, 30228), (726, 28854), (756, 27709), (847, 24732), (916, 22869), (924, 22671), (1089, 19236), (1188, 17633), (1374, 15246), (1386, 15114), (1452, 14427), (1603, 13068), (1694, 12366), (2061, 10164), (2079, 10076), (2178, 9618), (2519, 8316), (2541, 8244), (2748, 7623), (2772, 7557), (3206, 6534), (3267, 6412), (3388, 6183), (4122, 5082), (4158, 5038), (4356, 4809)]