20677899

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 14158581

約数列:

[1, 3, 11, 17, 29, 31, 33, 41, 51, 87, 93, 123, 187, 319, 341, 451, 493, 527, 561, 697, 899, 957, 1023, 1189, 1271, 1353, 1479, 1581, 2091, 2697, 3567, 3813, 5423, 5797, 7667, 9889, 13079, 13981, 15283, 16269, 17391, 20213, 21607, 23001, 29667, 36859, 39237, 41943, 45849, 60639, 64821, 110577, 168113, 222343, 237677, 405449, 504339, 626603, 667029, 713031, 1216347, 1879809, 6892633, 20677899]

約数ペア:

[(1, 20677899), (3, 6892633), (11, 1879809), (17, 1216347), (29, 713031), (31, 667029), (33, 626603), (41, 504339), (51, 405449), (87, 237677), (93, 222343), (123, 168113), (187, 110577), (319, 64821), (341, 60639), (451, 45849), (493, 41943), (527, 39237), (561, 36859), (697, 29667), (899, 23001), (957, 21607), (1023, 20213), (1189, 17391), (1271, 16269), (1353, 15283), (1479, 13981), (1581, 13079), (2091, 9889), (2697, 7667), (3567, 5797), (3813, 5423)]