20306844

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 54250560

約数和(自身を除く): 33943716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 53, 58, 87, 106, 116, 159, 174, 212, 261, 318, 348, 367, 477, 522, 636, 734, 954, 1044, 1101, 1468, 1537, 1908, 2202, 3074, 3303, 4404, 4611, 6148, 6606, 9222, 10643, 13212, 13833, 18444, 19451, 21286, 27666, 31929, 38902, 42572, 55332, 58353, 63858, 77804, 95787, 116706, 127716, 175059, 191574, 233412, 350118, 383148, 564079, 700236, 1128158, 1692237, 2256316, 3384474, 5076711, 6768948, 10153422, 20306844]

約数ペア:

[(1, 20306844), (2, 10153422), (3, 6768948), (4, 5076711), (6, 3384474), (9, 2256316), (12, 1692237), (18, 1128158), (29, 700236), (36, 564079), (53, 383148), (58, 350118), (87, 233412), (106, 191574), (116, 175059), (159, 127716), (174, 116706), (212, 95787), (261, 77804), (318, 63858), (348, 58353), (367, 55332), (477, 42572), (522, 38902), (636, 31929), (734, 27666), (954, 21286), (1044, 19451), (1101, 18444), (1468, 13833), (1537, 13212), (1908, 10643), (2202, 9222), (3074, 6606), (3303, 6148), (4404, 4611)]