20156580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 63369600

約数和(自身を除く): 43213020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 163, 180, 229, 270, 326, 458, 489, 540, 652, 687, 815, 916, 978, 1145, 1374, 1467, 1630, 1956, 2061, 2290, 2445, 2748, 2934, 3260, 3435, 4122, 4401, 4580, 4890, 5868, 6183, 6870, 7335, 8244, 8802, 9780, 10305, 12366, 13740, 14670, 17604, 20610, 22005, 24732, 29340, 30915, 37327, 41220, 44010, 61830, 74654, 88020, 111981, 123660, 149308, 186635, 223962, 335943, 373270, 447924, 559905, 671886, 746540, 1007829, 1119810, 1343772, 1679715, 2015658, 2239620, 3359430, 4031316, 5039145, 6718860, 10078290, 20156580]

約数ペア:

[(1, 20156580), (2, 10078290), (3, 6718860), (4, 5039145), (5, 4031316), (6, 3359430), (9, 2239620), (10, 2015658), (12, 1679715), (15, 1343772), (18, 1119810), (20, 1007829), (27, 746540), (30, 671886), (36, 559905), (45, 447924), (54, 373270), (60, 335943), (90, 223962), (108, 186635), (135, 149308), (163, 123660), (180, 111981), (229, 88020), (270, 74654), (326, 61830), (458, 44010), (489, 41220), (540, 37327), (652, 30915), (687, 29340), (815, 24732), (916, 22005), (978, 20610), (1145, 17604), (1374, 14670), (1467, 13740), (1630, 12366), (1956, 10305), (2061, 9780), (2290, 8802), (2445, 8244), (2748, 7335), (2934, 6870), (3260, 6183), (3435, 5868), (4122, 4890), (4401, 4580)]