20652900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1661

約数の個数: 72

約数和(自身を含む): 61183584

約数和(自身を除く): 40530684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 1601, 2150, 2580, 3202, 3225, 4300, 4803, 6404, 6450, 8005, 9606, 12900, 16010, 19212, 24015, 32020, 40025, 48030, 68843, 80050, 96060, 120075, 137686, 160100, 206529, 240150, 275372, 344215, 413058, 480300, 688430, 826116, 1032645, 1376860, 1721075, 2065290, 3442150, 4130580, 5163225, 6884300, 10326450, 20652900]

約数ペア:

[(1, 20652900), (2, 10326450), (3, 6884300), (4, 5163225), (5, 4130580), (6, 3442150), (10, 2065290), (12, 1721075), (15, 1376860), (20, 1032645), (25, 826116), (30, 688430), (43, 480300), (50, 413058), (60, 344215), (75, 275372), (86, 240150), (100, 206529), (129, 160100), (150, 137686), (172, 120075), (215, 96060), (258, 80050), (300, 68843), (430, 48030), (516, 40025), (645, 32020), (860, 24015), (1075, 19212), (1290, 16010), (1601, 12900), (2150, 9606), (2580, 8005), (3202, 6450), (3225, 6404), (4300, 4803)]