20149769988

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{155003}}^1$

素因数の和:155193

約数の個数: 72

約数和(自身を含む): 53487540288

約数和(自身を除く): 33337770300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 157, 207, 276, 314, 414, 471, 628, 828, 942, 1413, 1884, 2826, 3611, 5652, 7222, 10833, 14444, 21666, 32499, 43332, 64998, 129996, 155003, 310006, 465009, 620012, 930018, 1395027, 1860036, 2790054, 3565069, 5580108, 7130138, 10695207, 14260276, 21390414, 24335471, 32085621, 42780828, 48670942, 64171242, 73006413, 97341884, 128342484, 146012826, 219019239, 292025652, 438038478, 559715833, 876076956, 1119431666, 1679147499, 2238863332, 3358294998, 5037442497, 6716589996, 10074884994, 20149769988]

約数ペア:

[(1, 20149769988), (2, 10074884994), (3, 6716589996), (4, 5037442497), (6, 3358294998), (9, 2238863332), (12, 1679147499), (18, 1119431666), (23, 876076956), (36, 559715833), (46, 438038478), (69, 292025652), (92, 219019239), (138, 146012826), (157, 128342484), (207, 97341884), (276, 73006413), (314, 64171242), (414, 48670942), (471, 42780828), (628, 32085621), (828, 24335471), (942, 21390414), (1413, 14260276), (1884, 10695207), (2826, 7130138), (3611, 5580108), (5652, 3565069), (7222, 2790054), (10833, 1860036), (14444, 1395027), (21666, 930018), (32499, 620012), (43332, 465009), (64998, 310006), (129996, 155003)]