20755644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 60587520

約数和(自身を除く): 39831876

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 83, 84, 91, 156, 166, 182, 229, 249, 273, 332, 364, 458, 498, 546, 581, 687, 916, 996, 1079, 1092, 1162, 1374, 1603, 1743, 2158, 2324, 2748, 2977, 3206, 3237, 3486, 4316, 4809, 5954, 6412, 6474, 6972, 7553, 8931, 9618, 11908, 12948, 15106, 17862, 19007, 19236, 20839, 22659, 30212, 35724, 38014, 41678, 45318, 57021, 62517, 76028, 83356, 90636, 114042, 125034, 133049, 228084, 247091, 250068, 266098, 399147, 494182, 532196, 741273, 798294, 988364, 1482546, 1596588, 1729637, 2965092, 3459274, 5188911, 6918548, 10377822, 20755644]

約数ペア:

[(1, 20755644), (2, 10377822), (3, 6918548), (4, 5188911), (6, 3459274), (7, 2965092), (12, 1729637), (13, 1596588), (14, 1482546), (21, 988364), (26, 798294), (28, 741273), (39, 532196), (42, 494182), (52, 399147), (78, 266098), (83, 250068), (84, 247091), (91, 228084), (156, 133049), (166, 125034), (182, 114042), (229, 90636), (249, 83356), (273, 76028), (332, 62517), (364, 57021), (458, 45318), (498, 41678), (546, 38014), (581, 35724), (687, 30212), (916, 22659), (996, 20839), (1079, 19236), (1092, 19007), (1162, 17862), (1374, 15106), (1603, 12948), (1743, 11908), (2158, 9618), (2324, 8931), (2748, 7553), (2977, 6972), (3206, 6474), (3237, 6412), (3486, 5954), (4316, 4809)]