20169345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 38854656

約数和(自身を除く): 18685311

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 61, 67, 105, 141, 183, 201, 235, 305, 329, 335, 427, 469, 705, 915, 987, 1005, 1281, 1407, 1645, 2135, 2345, 2867, 3149, 4087, 4935, 6405, 7035, 8601, 9447, 12261, 14335, 15745, 20069, 20435, 22043, 28609, 43005, 47235, 60207, 61305, 66129, 85827, 100345, 110215, 143045, 192089, 301035, 330645, 429135, 576267, 960445, 1344623, 2881335, 4033869, 6723115, 20169345]

約数ペア:

[(1, 20169345), (3, 6723115), (5, 4033869), (7, 2881335), (15, 1344623), (21, 960445), (35, 576267), (47, 429135), (61, 330645), (67, 301035), (105, 192089), (141, 143045), (183, 110215), (201, 100345), (235, 85827), (305, 66129), (329, 61305), (335, 60207), (427, 47235), (469, 43005), (705, 28609), (915, 22043), (987, 20435), (1005, 20069), (1281, 15745), (1407, 14335), (1645, 12261), (2135, 9447), (2345, 8601), (2867, 7035), (3149, 6405), (4087, 4935)]