20512234323

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{5987}}^1$

素因数の和:6481

約数の個数: 72

約数和(自身を含む): 36579518352

約数和(自身を除く): 16067284029

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 457, 833, 1071, 1371, 2499, 3199, 4113, 5987, 7497, 7769, 9597, 17961, 22393, 23307, 28791, 41909, 53883, 54383, 67179, 69921, 101779, 125727, 163149, 201537, 293363, 305337, 377181, 380681, 489447, 712453, 880089, 916011, 1142043, 2137359, 2640267, 2736059, 3426129, 4987171, 6412077, 8208177, 14961513, 19152413, 24624531, 44884539, 46513003, 57457239, 134066891, 139539009, 172371717, 325591021, 402200673, 418617027, 976773063, 1206602019, 2279137147, 2930319189, 6837411441, 20512234323]

約数ペア:

[(1, 20512234323), (3, 6837411441), (7, 2930319189), (9, 2279137147), (17, 1206602019), (21, 976773063), (49, 418617027), (51, 402200673), (63, 325591021), (119, 172371717), (147, 139539009), (153, 134066891), (357, 57457239), (441, 46513003), (457, 44884539), (833, 24624531), (1071, 19152413), (1371, 14961513), (2499, 8208177), (3199, 6412077), (4113, 4987171), (5987, 3426129), (7497, 2736059), (7769, 2640267), (9597, 2137359), (17961, 1142043), (22393, 916011), (23307, 880089), (28791, 712453), (41909, 489447), (53883, 380681), (54383, 377181), (67179, 305337), (69921, 293363), (101779, 201537), (125727, 163149)]