20177794360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4349}}^1\times {\mathrm{6823}}^1$

素因数の和:11200

約数の個数: 64

約数和(自身を含む): 48088728000

約数和(自身を除く): 27910933640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 4349, 6823, 8698, 13646, 17396, 21745, 27292, 34115, 34792, 43490, 54584, 68230, 73933, 86980, 115991, 136460, 147866, 173960, 231982, 272920, 295732, 369665, 463964, 579955, 591464, 739330, 927928, 1159910, 1478660, 2319820, 2957320, 4639640, 29673227, 59346454, 118692908, 148366135, 237385816, 296732270, 504444859, 593464540, 1008889718, 1186929080, 2017779436, 2522224295, 4035558872, 5044448590, 10088897180, 20177794360]

約数ペア:

[(1, 20177794360), (2, 10088897180), (4, 5044448590), (5, 4035558872), (8, 2522224295), (10, 2017779436), (17, 1186929080), (20, 1008889718), (34, 593464540), (40, 504444859), (68, 296732270), (85, 237385816), (136, 148366135), (170, 118692908), (340, 59346454), (680, 29673227), (4349, 4639640), (6823, 2957320), (8698, 2319820), (13646, 1478660), (17396, 1159910), (21745, 927928), (27292, 739330), (34115, 591464), (34792, 579955), (43490, 463964), (54584, 369665), (68230, 295732), (73933, 272920), (86980, 231982), (115991, 173960), (136460, 147866)]