20111040675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{661}}^1$

素因数の和:1354

約数の個数: 144

約数和(自身を含む): 41490558720

約数和(自身を除く): 21379518045

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 209, 225, 275, 285, 475, 495, 627, 647, 661, 825, 855, 1045, 1425, 1881, 1941, 1983, 2475, 3135, 3235, 3305, 4275, 5225, 5823, 5949, 7117, 7271, 9405, 9705, 9915, 12293, 12559, 15675, 16175, 16525, 21351, 21813, 29115, 29745, 35585, 36355, 36879, 37677, 47025, 48525, 49575, 61465, 62795, 64053, 65439, 106755, 109065, 110637, 113031, 135223, 138149, 145575, 148725, 177925, 181775, 184395, 188385, 307325, 313975, 320265, 327195, 405669, 414447, 427667, 533775, 545325, 553185, 565155, 676115, 690745, 921975, 941925, 1217007, 1243341, 1283001, 1601325, 1635975, 2028345, 2072235, 2138335, 2765925, 2825775, 3380575, 3453725, 3849003, 4704337, 6085035, 6216705, 6415005, 8125673, 10141725, 10361175, 10691675, 14113011, 19245015, 23521685, 24377019, 30425175, 31083525, 32075025, 40628365, 42339033, 70565055, 73131057, 89382403, 96225075, 117608425, 121885095, 203141825, 211695165, 268147209, 352825275, 365655285, 446912015, 609425475, 804441627, 1058475825, 1340736045, 1828276425, 2234560075, 4022208135, 6703680225, 20111040675]

約数ペア:

[(1, 20111040675), (3, 6703680225), (5, 4022208135), (9, 2234560075), (11, 1828276425), (15, 1340736045), (19, 1058475825), (25, 804441627), (33, 609425475), (45, 446912015), (55, 365655285), (57, 352825275), (75, 268147209), (95, 211695165), (99, 203141825), (165, 121885095), (171, 117608425), (209, 96225075), (225, 89382403), (275, 73131057), (285, 70565055), (475, 42339033), (495, 40628365), (627, 32075025), (647, 31083525), (661, 30425175), (825, 24377019), (855, 23521685), (1045, 19245015), (1425, 14113011), (1881, 10691675), (1941, 10361175), (1983, 10141725), (2475, 8125673), (3135, 6415005), (3235, 6216705), (3305, 6085035), (4275, 4704337), (5225, 3849003), (5823, 3453725), (5949, 3380575), (7117, 2825775), (7271, 2765925), (9405, 2138335), (9705, 2072235), (9915, 2028345), (12293, 1635975), (12559, 1601325), (15675, 1283001), (16175, 1243341), (16525, 1217007), (21351, 941925), (21813, 921975), (29115, 690745), (29745, 676115), (35585, 565155), (36355, 553185), (36879, 545325), (37677, 533775), (47025, 427667), (48525, 414447), (49575, 405669), (61465, 327195), (62795, 320265), (64053, 313975), (65439, 307325), (106755, 188385), (109065, 184395), (110637, 181775), (113031, 177925), (135223, 148725), (138149, 145575)]