20041920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{6959}}^1$

素因数の和:6982

約数の個数: 84

約数和(自身を含む): 68945760

約数和(自身を除く): 48903840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 6959, 13918, 20877, 27836, 34795, 41754, 55672, 62631, 69590, 83508, 104385, 111344, 125262, 139180, 167016, 208770, 222688, 250524, 278360, 313155, 334032, 417540, 445376, 501048, 556720, 626310, 668064, 835080, 1002096, 1113440, 1252620, 1336128, 1670160, 2004192, 2226880, 2505240, 3340320, 4008384, 5010480, 6680640, 10020960, 20041920]

約数ペア:

[(1, 20041920), (2, 10020960), (3, 6680640), (4, 5010480), (5, 4008384), (6, 3340320), (8, 2505240), (9, 2226880), (10, 2004192), (12, 1670160), (15, 1336128), (16, 1252620), (18, 1113440), (20, 1002096), (24, 835080), (30, 668064), (32, 626310), (36, 556720), (40, 501048), (45, 445376), (48, 417540), (60, 334032), (64, 313155), (72, 278360), (80, 250524), (90, 222688), (96, 208770), (120, 167016), (144, 139180), (160, 125262), (180, 111344), (192, 104385), (240, 83508), (288, 69590), (320, 62631), (360, 55672), (480, 41754), (576, 34795), (720, 27836), (960, 20877), (1440, 13918), (2880, 6959)]