20131489112

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1\times {\mathrm{9473}}^1$

素因数の和:9900

約数の個数: 64

約数和(自身を含む): 43615264320

約数和(自身を除く): 23483775208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 277, 548, 554, 959, 1096, 1108, 1918, 1939, 2216, 3836, 3878, 7672, 7756, 9473, 15512, 18946, 37892, 37949, 66311, 75784, 75898, 132622, 151796, 265244, 265643, 303592, 530488, 531286, 1062572, 1297801, 2125144, 2595602, 2624021, 5191204, 5248042, 9084607, 10382408, 10496084, 18169214, 18368147, 20992168, 36338428, 36736294, 72676856, 73472588, 146945176, 359490877, 718981754, 1437963508, 2516436139, 2875927016, 5032872278, 10065744556, 20131489112]

約数ペア:

[(1, 20131489112), (2, 10065744556), (4, 5032872278), (7, 2875927016), (8, 2516436139), (14, 1437963508), (28, 718981754), (56, 359490877), (137, 146945176), (274, 73472588), (277, 72676856), (548, 36736294), (554, 36338428), (959, 20992168), (1096, 18368147), (1108, 18169214), (1918, 10496084), (1939, 10382408), (2216, 9084607), (3836, 5248042), (3878, 5191204), (7672, 2624021), (7756, 2595602), (9473, 2125144), (15512, 1297801), (18946, 1062572), (37892, 531286), (37949, 530488), (66311, 303592), (75784, 265643), (75898, 265244), (132622, 151796)]