20187576885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{79153}}^1$

素因数の和:79522

約数の個数: 48

約数和(自身を含む): 37682369856

約数和(自身を除く): 17494792971

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 347, 735, 1041, 1735, 2429, 5205, 7287, 12145, 17003, 36435, 51009, 79153, 85015, 237459, 255045, 395765, 554071, 1187295, 1662213, 2770355, 3878497, 8311065, 11635491, 19392485, 27466091, 58177455, 82398273, 137330455, 192262637, 411991365, 576787911, 961313185, 1345838459, 2883939555, 4037515377, 6729192295, 20187576885]

約数ペア:

[(1, 20187576885), (3, 6729192295), (5, 4037515377), (7, 2883939555), (15, 1345838459), (21, 961313185), (35, 576787911), (49, 411991365), (105, 192262637), (147, 137330455), (245, 82398273), (347, 58177455), (735, 27466091), (1041, 19392485), (1735, 11635491), (2429, 8311065), (5205, 3878497), (7287, 2770355), (12145, 1662213), (17003, 1187295), (36435, 554071), (51009, 395765), (79153, 255045), (85015, 237459)]