20173858684

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1\times {\mathrm{64601}}^1$

素因数の和:65218

約数の個数: 48

約数和(自身を含む): 42544293120

約数和(自身を除く): 22370434436

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 587, 1174, 2348, 4109, 8218, 11153, 16436, 22306, 44612, 64601, 78071, 129202, 156142, 258404, 312284, 452207, 904414, 1227419, 1808828, 2454838, 4909676, 8591933, 17183866, 34367732, 37920787, 75841574, 151683148, 265445509, 530891018, 720494953, 1061782036, 1440989906, 2881979812, 5043464671, 10086929342, 20173858684]

約数ペア:

[(1, 20173858684), (2, 10086929342), (4, 5043464671), (7, 2881979812), (14, 1440989906), (19, 1061782036), (28, 720494953), (38, 530891018), (76, 265445509), (133, 151683148), (266, 75841574), (532, 37920787), (587, 34367732), (1174, 17183866), (2348, 8591933), (4109, 4909676), (8218, 2454838), (11153, 1808828), (16436, 1227419), (22306, 904414), (44612, 452207), (64601, 312284), (78071, 258404), (129202, 156142)]