20259540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2297}}^1$

素因数の和:2326

約数の個数: 108

約数和(自身を含む): 71518356

約数和(自身を除く): 51258816

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2297, 2940, 4410, 4594, 6891, 8820, 9188, 11485, 13782, 16079, 20673, 22970, 27564, 32158, 34455, 41346, 45940, 48237, 64316, 68910, 80395, 82692, 96474, 103365, 112553, 137820, 144711, 160790, 192948, 206730, 225106, 241185, 289422, 321580, 337659, 413460, 450212, 482370, 562765, 578844, 675318, 723555, 964740, 1012977, 1125530, 1350636, 1447110, 1688295, 2025954, 2251060, 2894220, 3376590, 4051908, 5064885, 6753180, 10129770, 20259540]

約数ペア:

[(1, 20259540), (2, 10129770), (3, 6753180), (4, 5064885), (5, 4051908), (6, 3376590), (7, 2894220), (9, 2251060), (10, 2025954), (12, 1688295), (14, 1447110), (15, 1350636), (18, 1125530), (20, 1012977), (21, 964740), (28, 723555), (30, 675318), (35, 578844), (36, 562765), (42, 482370), (45, 450212), (49, 413460), (60, 337659), (63, 321580), (70, 289422), (84, 241185), (90, 225106), (98, 206730), (105, 192948), (126, 160790), (140, 144711), (147, 137820), (180, 112553), (196, 103365), (210, 96474), (245, 82692), (252, 80395), (294, 68910), (315, 64316), (420, 48237), (441, 45940), (490, 41346), (588, 34455), (630, 32158), (735, 27564), (882, 22970), (980, 20673), (1260, 16079), (1470, 13782), (1764, 11485), (2205, 9188), (2297, 8820), (2940, 6891), (4410, 4594)]