20197180170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{312989}}^1$

素因数の和:313244

約数の個数: 64

約数和(自身を含む): 54084672000

約数和(自身を除く): 33887491830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 239, 270, 478, 717, 1195, 1434, 2151, 2390, 3585, 4302, 6453, 7170, 10755, 12906, 21510, 32265, 64530, 312989, 625978, 938967, 1564945, 1877934, 2816901, 3129890, 4694835, 5633802, 8450703, 9389670, 14084505, 16901406, 28169010, 42253515, 74804371, 84507030, 149608742, 224413113, 374021855, 448826226, 673239339, 748043710, 1122065565, 1346478678, 2019718017, 2244131130, 3366196695, 4039436034, 6732393390, 10098590085, 20197180170]

約数ペア:

[(1, 20197180170), (2, 10098590085), (3, 6732393390), (5, 4039436034), (6, 3366196695), (9, 2244131130), (10, 2019718017), (15, 1346478678), (18, 1122065565), (27, 748043710), (30, 673239339), (45, 448826226), (54, 374021855), (90, 224413113), (135, 149608742), (239, 84507030), (270, 74804371), (478, 42253515), (717, 28169010), (1195, 16901406), (1434, 14084505), (2151, 9389670), (2390, 8450703), (3585, 5633802), (4302, 4694835), (6453, 3129890), (7170, 2816901), (10755, 1877934), (12906, 1564945), (21510, 938967), (32265, 625978), (64530, 312989)]