20154991644

素因数分解:

$2^2\times 3^3\times {\mathrm{257}}^1\times {\mathrm{726149}}^1$

素因数の和:726419

約数の個数: 48

約数和(自身を含む): 52457076000

約数和(自身を除く): 32302084356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 257, 514, 771, 1028, 1542, 2313, 3084, 4626, 6939, 9252, 13878, 27756, 726149, 1452298, 2178447, 2904596, 4356894, 6535341, 8713788, 13070682, 19606023, 26141364, 39212046, 78424092, 186620293, 373240586, 559860879, 746481172, 1119721758, 1679582637, 2239443516, 3359165274, 5038747911, 6718330548, 10077495822, 20154991644]

約数ペア:

[(1, 20154991644), (2, 10077495822), (3, 6718330548), (4, 5038747911), (6, 3359165274), (9, 2239443516), (12, 1679582637), (18, 1119721758), (27, 746481172), (36, 559860879), (54, 373240586), (108, 186620293), (257, 78424092), (514, 39212046), (771, 26141364), (1028, 19606023), (1542, 13070682), (2313, 8713788), (3084, 6535341), (4626, 4356894), (6939, 2904596), (9252, 2178447), (13878, 1452298), (27756, 726149)]