20213305890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1\times {\mathrm{28697}}^1$

素因数の和:29203

約数の個数: 64

約数和(自身を含む): 49540553856

約数和(自身を除く): 29327247966

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 443, 530, 795, 886, 1329, 1590, 2215, 2658, 4430, 6645, 13290, 23479, 28697, 46958, 57394, 70437, 86091, 117395, 140874, 143485, 172182, 234790, 286970, 352185, 430455, 704370, 860910, 1520941, 3041882, 4562823, 7604705, 9125646, 12712771, 15209410, 22814115, 25425542, 38138313, 45628230, 63563855, 76276626, 127127710, 190691565, 381383130, 673776863, 1347553726, 2021330589, 3368884315, 4042661178, 6737768630, 10106652945, 20213305890]

約数ペア:

[(1, 20213305890), (2, 10106652945), (3, 6737768630), (5, 4042661178), (6, 3368884315), (10, 2021330589), (15, 1347553726), (30, 673776863), (53, 381383130), (106, 190691565), (159, 127127710), (265, 76276626), (318, 63563855), (443, 45628230), (530, 38138313), (795, 25425542), (886, 22814115), (1329, 15209410), (1590, 12712771), (2215, 9125646), (2658, 7604705), (4430, 4562823), (6645, 3041882), (13290, 1520941), (23479, 860910), (28697, 704370), (46958, 430455), (57394, 352185), (70437, 286970), (86091, 234790), (117395, 172182), (140874, 143485)]