20145897618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1\times {\mathrm{907}}^1$

素因数の和:1428

約数の個数: 128

約数和(自身を含む): 50811273216

約数和(自身を除く): 30665375598

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 131, 154, 231, 262, 367, 393, 462, 734, 786, 907, 917, 1101, 1441, 1814, 1834, 2202, 2569, 2721, 2751, 2882, 4037, 4323, 5138, 5442, 5502, 6349, 7707, 8074, 8646, 9977, 10087, 12111, 12698, 15414, 19047, 19954, 20174, 24222, 28259, 29931, 30261, 38094, 48077, 56518, 59862, 60522, 69839, 84777, 96154, 118817, 139678, 144231, 169554, 209517, 237634, 288462, 332869, 336539, 356451, 419034, 528847, 665738, 673078, 712902, 831719, 998607, 1009617, 1057694, 1306987, 1586541, 1663438, 1997214, 2019234, 2330083, 2495157, 2613974, 3173082, 3661559, 3701929, 3920961, 4660166, 4990314, 6990249, 7323118, 7403858, 7841922, 9148909, 10984677, 11105787, 13980498, 18297818, 21969354, 22211574, 25630913, 27446727, 43605839, 51261826, 54893454, 76892739, 87211678, 130817517, 153785478, 261635034, 305240873, 479664229, 610481746, 915722619, 959328458, 1438992687, 1831445238, 2877985374, 3357649603, 6715299206, 10072948809, 20145897618]

約数ペア:

[(1, 20145897618), (2, 10072948809), (3, 6715299206), (6, 3357649603), (7, 2877985374), (11, 1831445238), (14, 1438992687), (21, 959328458), (22, 915722619), (33, 610481746), (42, 479664229), (66, 305240873), (77, 261635034), (131, 153785478), (154, 130817517), (231, 87211678), (262, 76892739), (367, 54893454), (393, 51261826), (462, 43605839), (734, 27446727), (786, 25630913), (907, 22211574), (917, 21969354), (1101, 18297818), (1441, 13980498), (1814, 11105787), (1834, 10984677), (2202, 9148909), (2569, 7841922), (2721, 7403858), (2751, 7323118), (2882, 6990249), (4037, 4990314), (4323, 4660166), (5138, 3920961), (5442, 3701929), (5502, 3661559), (6349, 3173082), (7707, 2613974), (8074, 2495157), (8646, 2330083), (9977, 2019234), (10087, 1997214), (12111, 1663438), (12698, 1586541), (15414, 1306987), (19047, 1057694), (19954, 1009617), (20174, 998607), (24222, 831719), (28259, 712902), (29931, 673078), (30261, 665738), (38094, 528847), (48077, 419034), (56518, 356451), (59862, 336539), (60522, 332869), (69839, 288462), (84777, 237634), (96154, 209517), (118817, 169554), (139678, 144231)]