20005163344

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{60103}}^1$

素因数の和:60475

約数の個数: 40

約数和(自身を含む): 39440725632

約数和(自身を除く): 19435562288

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 293, 568, 586, 1136, 1172, 2344, 4688, 20803, 41606, 60103, 83212, 120206, 166424, 240412, 332848, 480824, 961648, 4267313, 8534626, 17069252, 17610179, 34138504, 35220358, 68277008, 70440716, 140881432, 281762864, 1250322709, 2500645418, 5001290836, 10002581672, 20005163344]

約数ペア:

[(1, 20005163344), (2, 10002581672), (4, 5001290836), (8, 2500645418), (16, 1250322709), (71, 281762864), (142, 140881432), (284, 70440716), (293, 68277008), (568, 35220358), (586, 34138504), (1136, 17610179), (1172, 17069252), (2344, 8534626), (4688, 4267313), (20803, 961648), (41606, 480824), (60103, 332848), (83212, 240412), (120206, 166424)]