20993257080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{38189}}^1$

素因数の和:38718

約数の個数: 128

約数和(自身を含む): 70116840000

約数和(自身を除く): 49123582920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 509, 540, 1018, 1080, 1527, 2036, 2545, 3054, 4072, 4581, 5090, 6108, 7635, 9162, 10180, 12216, 13743, 15270, 18324, 20360, 22905, 27486, 30540, 36648, 38189, 45810, 54972, 61080, 68715, 76378, 91620, 109944, 114567, 137430, 152756, 183240, 190945, 229134, 274860, 305512, 343701, 381890, 458268, 549720, 572835, 687402, 763780, 916536, 1031103, 1145670, 1374804, 1527560, 1718505, 2062206, 2291340, 2749608, 3437010, 4124412, 4582680, 5155515, 6874020, 8248824, 10311030, 13748040, 19438201, 20622060, 38876402, 41244120, 58314603, 77752804, 97191005, 116629206, 155505608, 174943809, 194382010, 233258412, 291573015, 349887618, 388764020, 466516824, 524831427, 583146030, 699775236, 777528040, 874719045, 1049662854, 1166292060, 1399550472, 1749438090, 2099325708, 2332584120, 2624157135, 3498876180, 4198651416, 5248314270, 6997752360, 10496628540, 20993257080]

約数ペア:

[(1, 20993257080), (2, 10496628540), (3, 6997752360), (4, 5248314270), (5, 4198651416), (6, 3498876180), (8, 2624157135), (9, 2332584120), (10, 2099325708), (12, 1749438090), (15, 1399550472), (18, 1166292060), (20, 1049662854), (24, 874719045), (27, 777528040), (30, 699775236), (36, 583146030), (40, 524831427), (45, 466516824), (54, 388764020), (60, 349887618), (72, 291573015), (90, 233258412), (108, 194382010), (120, 174943809), (135, 155505608), (180, 116629206), (216, 97191005), (270, 77752804), (360, 58314603), (509, 41244120), (540, 38876402), (1018, 20622060), (1080, 19438201), (1527, 13748040), (2036, 10311030), (2545, 8248824), (3054, 6874020), (4072, 5155515), (4581, 4582680), (5090, 4124412), (6108, 3437010), (7635, 2749608), (9162, 2291340), (10180, 2062206), (12216, 1718505), (13743, 1527560), (15270, 1374804), (18324, 1145670), (20360, 1031103), (22905, 916536), (27486, 763780), (30540, 687402), (36648, 572835), (38189, 549720), (45810, 458268), (54972, 381890), (61080, 343701), (68715, 305512), (76378, 274860), (91620, 229134), (109944, 190945), (114567, 183240), (137430, 152756)]