20686734

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 46785024

約数和(自身を除く): 26098290

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 131, 186, 262, 279, 283, 393, 558, 566, 786, 849, 1179, 1698, 2358, 2547, 4061, 5094, 8122, 8773, 12183, 17546, 24366, 26319, 36549, 37073, 52638, 73098, 74146, 78957, 111219, 157914, 222438, 333657, 667314, 1149263, 2298526, 3447789, 6895578, 10343367, 20686734]

約数ペア:

[(1, 20686734), (2, 10343367), (3, 6895578), (6, 3447789), (9, 2298526), (18, 1149263), (31, 667314), (62, 333657), (93, 222438), (131, 157914), (186, 111219), (262, 78957), (279, 74146), (283, 73098), (393, 52638), (558, 37073), (566, 36549), (786, 26319), (849, 24366), (1179, 17546), (1698, 12183), (2358, 8773), (2547, 8122), (4061, 5094)]