20169877536

素因数分解:

$2^5\times 3^2\times {\mathrm{409}}^1\times {\mathrm{171233}}^1$

素因数の和:171658

約数の個数: 72

約数和(自身を含む): 57498664860

約数和(自身を除く): 37328787324

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 409, 818, 1227, 1636, 2454, 3272, 3681, 4908, 6544, 7362, 9816, 13088, 14724, 19632, 29448, 39264, 58896, 117792, 171233, 342466, 513699, 684932, 1027398, 1369864, 1541097, 2054796, 2739728, 3082194, 4109592, 5479456, 6164388, 8219184, 12328776, 16438368, 24657552, 49315104, 70034297, 140068594, 210102891, 280137188, 420205782, 560274376, 630308673, 840411564, 1120548752, 1260617346, 1680823128, 2241097504, 2521234692, 3361646256, 5042469384, 6723292512, 10084938768, 20169877536]

約数ペア:

[(1, 20169877536), (2, 10084938768), (3, 6723292512), (4, 5042469384), (6, 3361646256), (8, 2521234692), (9, 2241097504), (12, 1680823128), (16, 1260617346), (18, 1120548752), (24, 840411564), (32, 630308673), (36, 560274376), (48, 420205782), (72, 280137188), (96, 210102891), (144, 140068594), (288, 70034297), (409, 49315104), (818, 24657552), (1227, 16438368), (1636, 12328776), (2454, 8219184), (3272, 6164388), (3681, 5479456), (4908, 4109592), (6544, 3082194), (7362, 2739728), (9816, 2054796), (13088, 1541097), (14724, 1369864), (19632, 1027398), (29448, 684932), (39264, 513699), (58896, 342466), (117792, 171233)]