20739473640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{253787}}^1$

素因数の和:254031

約数の個数: 96

約数和(自身を含む): 67700486880

約数和(自身を除く): 46961013240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 227, 360, 454, 681, 908, 1135, 1362, 1816, 2043, 2270, 2724, 3405, 4086, 4540, 5448, 6810, 8172, 9080, 10215, 13620, 16344, 20430, 27240, 40860, 81720, 253787, 507574, 761361, 1015148, 1268935, 1522722, 2030296, 2284083, 2537870, 3045444, 3806805, 4568166, 5075740, 6090888, 7613610, 9136332, 10151480, 11420415, 15227220, 18272664, 22840830, 30454440, 45681660, 57609649, 91363320, 115219298, 172828947, 230438596, 288048245, 345657894, 460877192, 518486841, 576096490, 691315788, 864144735, 1036973682, 1152192980, 1382631576, 1728289470, 2073947364, 2304385960, 2592434205, 3456578940, 4147894728, 5184868410, 6913157880, 10369736820, 20739473640]

約数ペア:

[(1, 20739473640), (2, 10369736820), (3, 6913157880), (4, 5184868410), (5, 4147894728), (6, 3456578940), (8, 2592434205), (9, 2304385960), (10, 2073947364), (12, 1728289470), (15, 1382631576), (18, 1152192980), (20, 1036973682), (24, 864144735), (30, 691315788), (36, 576096490), (40, 518486841), (45, 460877192), (60, 345657894), (72, 288048245), (90, 230438596), (120, 172828947), (180, 115219298), (227, 91363320), (360, 57609649), (454, 45681660), (681, 30454440), (908, 22840830), (1135, 18272664), (1362, 15227220), (1816, 11420415), (2043, 10151480), (2270, 9136332), (2724, 7613610), (3405, 6090888), (4086, 5075740), (4540, 4568166), (5448, 3806805), (6810, 3045444), (8172, 2537870), (9080, 2284083), (10215, 2030296), (13620, 1522722), (16344, 1268935), (20430, 1015148), (27240, 761361), (40860, 507574), (81720, 253787)]