20893140

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1433}}^1$

素因数の和:1460

約数の個数: 84

約数和(自身を含む): 65829204

約数和(自身を除く): 44936064

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1433, 1458, 1620, 2430, 2866, 2916, 3645, 4299, 4860, 5732, 7165, 7290, 8598, 12897, 14330, 14580, 17196, 21495, 25794, 28660, 38691, 42990, 51588, 64485, 77382, 85980, 116073, 128970, 154764, 193455, 232146, 257940, 348219, 386910, 464292, 580365, 696438, 773820, 1044657, 1160730, 1392876, 1741095, 2089314, 2321460, 3482190, 4178628, 5223285, 6964380, 10446570, 20893140]

約数ペア:

[(1, 20893140), (2, 10446570), (3, 6964380), (4, 5223285), (5, 4178628), (6, 3482190), (9, 2321460), (10, 2089314), (12, 1741095), (15, 1392876), (18, 1160730), (20, 1044657), (27, 773820), (30, 696438), (36, 580365), (45, 464292), (54, 386910), (60, 348219), (81, 257940), (90, 232146), (108, 193455), (135, 154764), (162, 128970), (180, 116073), (243, 85980), (270, 77382), (324, 64485), (405, 51588), (486, 42990), (540, 38691), (729, 28660), (810, 25794), (972, 21495), (1215, 17196), (1433, 14580), (1458, 14330), (1620, 12897), (2430, 8598), (2866, 7290), (2916, 7165), (3645, 5732), (4299, 4860)]