20385708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 58544640

約数和(自身を除く): 38158932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 53, 57, 76, 84, 106, 114, 133, 159, 212, 228, 241, 266, 318, 371, 399, 482, 532, 636, 723, 742, 798, 964, 1007, 1113, 1446, 1484, 1596, 1687, 2014, 2226, 2892, 3021, 3374, 4028, 4452, 4579, 5061, 6042, 6748, 7049, 9158, 10122, 12084, 12773, 13737, 14098, 18316, 20244, 21147, 25546, 27474, 28196, 32053, 38319, 42294, 51092, 54948, 64106, 76638, 84588, 89411, 96159, 128212, 153276, 178822, 192318, 242687, 268233, 357644, 384636, 485374, 536466, 728061, 970748, 1072932, 1456122, 1698809, 2912244, 3397618, 5096427, 6795236, 10192854, 20385708]

約数ペア:

[(1, 20385708), (2, 10192854), (3, 6795236), (4, 5096427), (6, 3397618), (7, 2912244), (12, 1698809), (14, 1456122), (19, 1072932), (21, 970748), (28, 728061), (38, 536466), (42, 485374), (53, 384636), (57, 357644), (76, 268233), (84, 242687), (106, 192318), (114, 178822), (133, 153276), (159, 128212), (212, 96159), (228, 89411), (241, 84588), (266, 76638), (318, 64106), (371, 54948), (399, 51092), (482, 42294), (532, 38319), (636, 32053), (723, 28196), (742, 27474), (798, 25546), (964, 21147), (1007, 20244), (1113, 18316), (1446, 14098), (1484, 13737), (1596, 12773), (1687, 12084), (2014, 10122), (2226, 9158), (2892, 7049), (3021, 6748), (3374, 6042), (4028, 5061), (4452, 4579)]