20549359560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1\times {\mathrm{5237}}^1$

素因数の和:6991

約数の個数: 128

約数和(自身を含む): 64942819200

約数和(自身を除く): 44393459640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 1721, 2280, 3442, 5163, 5237, 6884, 8605, 10326, 10474, 13768, 15711, 17210, 20652, 20948, 25815, 26185, 31422, 32699, 34420, 41304, 41896, 51630, 52370, 62844, 65398, 68840, 78555, 98097, 99503, 103260, 104740, 125688, 130796, 157110, 163495, 196194, 199006, 206520, 209480, 261592, 298509, 314220, 326990, 392388, 398012, 490485, 497515, 597018, 628440, 653980, 784776, 796024, 980970, 995030, 1194036, 1307960, 1492545, 1961940, 1990060, 2388072, 2985090, 3923880, 3980120, 5970180, 9012877, 11940360, 18025754, 27038631, 36051508, 45064385, 54077262, 72103016, 90128770, 108154524, 135193155, 171244663, 180257540, 216309048, 270386310, 342489326, 360515080, 513733989, 540772620, 684978652, 856223315, 1027467978, 1081545240, 1369957304, 1712446630, 2054935956, 2568669945, 3424893260, 4109871912, 5137339890, 6849786520, 10274679780, 20549359560]

約数ペア:

[(1, 20549359560), (2, 10274679780), (3, 6849786520), (4, 5137339890), (5, 4109871912), (6, 3424893260), (8, 2568669945), (10, 2054935956), (12, 1712446630), (15, 1369957304), (19, 1081545240), (20, 1027467978), (24, 856223315), (30, 684978652), (38, 540772620), (40, 513733989), (57, 360515080), (60, 342489326), (76, 270386310), (95, 216309048), (114, 180257540), (120, 171244663), (152, 135193155), (190, 108154524), (228, 90128770), (285, 72103016), (380, 54077262), (456, 45064385), (570, 36051508), (760, 27038631), (1140, 18025754), (1721, 11940360), (2280, 9012877), (3442, 5970180), (5163, 3980120), (5237, 3923880), (6884, 2985090), (8605, 2388072), (10326, 1990060), (10474, 1961940), (13768, 1492545), (15711, 1307960), (17210, 1194036), (20652, 995030), (20948, 980970), (25815, 796024), (26185, 784776), (31422, 653980), (32699, 628440), (34420, 597018), (41304, 497515), (41896, 490485), (51630, 398012), (52370, 392388), (62844, 326990), (65398, 314220), (68840, 298509), (78555, 261592), (98097, 209480), (99503, 206520), (103260, 199006), (104740, 196194), (125688, 163495), (130796, 157110)]