20113020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5881}}^1$

素因数の和:5915

約数の個数: 72

約数和(自身を含む): 64231440

約数和(自身を除く): 44118420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5881, 11762, 17643, 23524, 29405, 35286, 52929, 58810, 70572, 88215, 105858, 111739, 117620, 176430, 211716, 223478, 264645, 335217, 352860, 446956, 529290, 558695, 670434, 1005651, 1058580, 1117390, 1340868, 1676085, 2011302, 2234780, 3352170, 4022604, 5028255, 6704340, 10056510, 20113020]

約数ペア:

[(1, 20113020), (2, 10056510), (3, 6704340), (4, 5028255), (5, 4022604), (6, 3352170), (9, 2234780), (10, 2011302), (12, 1676085), (15, 1340868), (18, 1117390), (19, 1058580), (20, 1005651), (30, 670434), (36, 558695), (38, 529290), (45, 446956), (57, 352860), (60, 335217), (76, 264645), (90, 223478), (95, 211716), (114, 176430), (171, 117620), (180, 111739), (190, 105858), (228, 88215), (285, 70572), (342, 58810), (380, 52929), (570, 35286), (684, 29405), (855, 23524), (1140, 17643), (1710, 11762), (3420, 5881)]