20153642390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{647}}^1\times {\mathrm{929}}^1$

素因数の和:2069

約数の個数: 64

約数和(自身を含む): 41654476800

約数和(自身を除く): 21500834410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 479, 647, 929, 958, 1294, 1858, 2395, 3235, 3353, 4529, 4645, 4790, 6470, 6503, 6706, 9058, 9290, 13006, 16765, 22645, 32515, 33530, 45290, 65030, 309913, 444991, 601063, 619826, 889982, 1202126, 1549565, 2169391, 2224955, 3005315, 3099130, 3114937, 4207441, 4338782, 4449910, 6010630, 6229874, 8414882, 10846955, 15574685, 21037205, 21693910, 31149370, 42074410, 287909177, 575818354, 1439545885, 2015364239, 2879091770, 4030728478, 10076821195, 20153642390]

約数ペア:

[(1, 20153642390), (2, 10076821195), (5, 4030728478), (7, 2879091770), (10, 2015364239), (14, 1439545885), (35, 575818354), (70, 287909177), (479, 42074410), (647, 31149370), (929, 21693910), (958, 21037205), (1294, 15574685), (1858, 10846955), (2395, 8414882), (3235, 6229874), (3353, 6010630), (4529, 4449910), (4645, 4338782), (4790, 4207441), (6470, 3114937), (6503, 3099130), (6706, 3005315), (9058, 2224955), (9290, 2169391), (13006, 1549565), (16765, 1202126), (22645, 889982), (32515, 619826), (33530, 601063), (45290, 444991), (65030, 309913)]