20107482010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{205619}}^1$

素因数の和:205771

約数の個数: 64

約数和(自身を含む): 45479854080

約数和(自身を除く): 25372372070

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 127, 154, 254, 385, 635, 770, 889, 1270, 1397, 1778, 2794, 4445, 6985, 8890, 9779, 13970, 19558, 48895, 97790, 205619, 411238, 1028095, 1439333, 2056190, 2261809, 2878666, 4523618, 7196665, 11309045, 14393330, 15832663, 22618090, 26113613, 31665326, 52227226, 79163315, 130568065, 158326630, 182795291, 261136130, 287249743, 365590582, 574499486, 913976455, 1436248715, 1827952910, 2010748201, 2872497430, 4021496402, 10053741005, 20107482010]

約数ペア:

[(1, 20107482010), (2, 10053741005), (5, 4021496402), (7, 2872497430), (10, 2010748201), (11, 1827952910), (14, 1436248715), (22, 913976455), (35, 574499486), (55, 365590582), (70, 287249743), (77, 261136130), (110, 182795291), (127, 158326630), (154, 130568065), (254, 79163315), (385, 52227226), (635, 31665326), (770, 26113613), (889, 22618090), (1270, 15832663), (1397, 14393330), (1778, 11309045), (2794, 7196665), (4445, 4523618), (6985, 2878666), (8890, 2261809), (9779, 2056190), (13970, 1439333), (19558, 1028095), (48895, 411238), (97790, 205619)]