20187954080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{26783}}^1$

素因数の和:27478

約数の個数: 96

約数和(自身を含む): 54590505984

約数和(自身を除く): 34402551904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 673, 1120, 1346, 2692, 3365, 4711, 5384, 6730, 9422, 10768, 13460, 18844, 21536, 23555, 26783, 26920, 37688, 47110, 53566, 53840, 75376, 94220, 107132, 107680, 133915, 150752, 187481, 188440, 214264, 267830, 374962, 376880, 428528, 535660, 749924, 753760, 857056, 937405, 1071320, 1499848, 1874810, 2142640, 2999696, 3749620, 4285280, 5999392, 7499240, 14998480, 18024959, 29996960, 36049918, 72099836, 90124795, 126174713, 144199672, 180249590, 252349426, 288399344, 360499180, 504698852, 576798688, 630873565, 720998360, 1009397704, 1261747130, 1441996720, 2018795408, 2523494260, 2883993440, 4037590816, 5046988520, 10093977040, 20187954080]

約数ペア:

[(1, 20187954080), (2, 10093977040), (4, 5046988520), (5, 4037590816), (7, 2883993440), (8, 2523494260), (10, 2018795408), (14, 1441996720), (16, 1261747130), (20, 1009397704), (28, 720998360), (32, 630873565), (35, 576798688), (40, 504698852), (56, 360499180), (70, 288399344), (80, 252349426), (112, 180249590), (140, 144199672), (160, 126174713), (224, 90124795), (280, 72099836), (560, 36049918), (673, 29996960), (1120, 18024959), (1346, 14998480), (2692, 7499240), (3365, 5999392), (4711, 4285280), (5384, 3749620), (6730, 2999696), (9422, 2142640), (10768, 1874810), (13460, 1499848), (18844, 1071320), (21536, 937405), (23555, 857056), (26783, 753760), (26920, 749924), (37688, 535660), (47110, 428528), (53566, 376880), (53840, 374962), (75376, 267830), (94220, 214264), (107132, 188440), (107680, 187481), (133915, 150752)]