20186820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1$

素因数の和:771

約数の個数: 120

約数和(自身を含む): 67143384

約数和(自身を除く): 46956564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 733, 765, 810, 918, 1020, 1377, 1466, 1530, 1620, 1836, 2199, 2295, 2754, 2932, 3060, 3665, 4398, 4590, 5508, 6597, 6885, 7330, 8796, 9180, 10995, 12461, 13194, 13770, 14660, 19791, 21990, 24922, 26388, 27540, 32985, 37383, 39582, 43980, 49844, 59373, 62305, 65970, 74766, 79164, 98955, 112149, 118746, 124610, 131940, 149532, 186915, 197910, 224298, 237492, 249220, 296865, 336447, 373830, 395820, 448596, 560745, 593730, 672894, 747660, 1009341, 1121490, 1187460, 1345788, 1682235, 2018682, 2242980, 3364470, 4037364, 5046705, 6728940, 10093410, 20186820]

約数ペア:

[(1, 20186820), (2, 10093410), (3, 6728940), (4, 5046705), (5, 4037364), (6, 3364470), (9, 2242980), (10, 2018682), (12, 1682235), (15, 1345788), (17, 1187460), (18, 1121490), (20, 1009341), (27, 747660), (30, 672894), (34, 593730), (36, 560745), (45, 448596), (51, 395820), (54, 373830), (60, 336447), (68, 296865), (81, 249220), (85, 237492), (90, 224298), (102, 197910), (108, 186915), (135, 149532), (153, 131940), (162, 124610), (170, 118746), (180, 112149), (204, 98955), (255, 79164), (270, 74766), (306, 65970), (324, 62305), (340, 59373), (405, 49844), (459, 43980), (510, 39582), (540, 37383), (612, 32985), (733, 27540), (765, 26388), (810, 24922), (918, 21990), (1020, 19791), (1377, 14660), (1466, 13770), (1530, 13194), (1620, 12461), (1836, 10995), (2199, 9180), (2295, 8796), (2754, 7330), (2932, 6885), (3060, 6597), (3665, 5508), (4398, 4590)]