20131521856

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{253469}}^1$

素因数の和:253571

約数の個数: 56

約数和(自身を含む): 42877999080

約数和(自身を除く): 22746477224

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 272, 292, 544, 584, 1088, 1168, 1241, 2336, 2482, 4672, 4964, 9928, 19856, 39712, 79424, 253469, 506938, 1013876, 2027752, 4055504, 4308973, 8111008, 8617946, 16222016, 17235892, 18503237, 34471784, 37006474, 68943568, 74012948, 137887136, 148025896, 275774272, 296051792, 314555029, 592103584, 629110058, 1184207168, 1258220116, 2516440232, 5032880464, 10065760928, 20131521856]

約数ペア:

[(1, 20131521856), (2, 10065760928), (4, 5032880464), (8, 2516440232), (16, 1258220116), (17, 1184207168), (32, 629110058), (34, 592103584), (64, 314555029), (68, 296051792), (73, 275774272), (136, 148025896), (146, 137887136), (272, 74012948), (292, 68943568), (544, 37006474), (584, 34471784), (1088, 18503237), (1168, 17235892), (1241, 16222016), (2336, 8617946), (2482, 8111008), (4672, 4308973), (4964, 4055504), (9928, 2027752), (19856, 1013876), (39712, 506938), (79424, 253469)]