20121581637

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{449}}^1\times {\mathrm{2693}}^1$

素因数の和:3234

約数の個数: 36

約数和(自身を含む): 29833490700

約数和(自身を除く): 9711909063

約数列:

[1, 3, 9, 43, 129, 387, 449, 1347, 1849, 2693, 4041, 5547, 8079, 16641, 19307, 24237, 57921, 115799, 173763, 347397, 830201, 1042191, 1209157, 2490603, 3627471, 4979357, 7471809, 10882413, 14938071, 44814213, 51993751, 155981253, 467943759, 2235731293, 6707193879, 20121581637]

約数ペア:

[(1, 20121581637), (3, 6707193879), (9, 2235731293), (43, 467943759), (129, 155981253), (387, 51993751), (449, 44814213), (1347, 14938071), (1849, 10882413), (2693, 7471809), (4041, 4979357), (5547, 3627471), (8079, 2490603), (16641, 1209157), (19307, 1042191), (24237, 830201), (57921, 347397), (115799, 173763)]