20783125860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49483633}}^1$

素因数の和:49483652

約数の個数: 48

約数和(自身を含む): 66506004096

約数和(自身を除く): 45722878236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49483633, 98967266, 148450899, 197934532, 247418165, 296901798, 346385431, 494836330, 593803596, 692770862, 742254495, 989672660, 1039156293, 1385541724, 1484508990, 1731927155, 2078312586, 2969017980, 3463854310, 4156625172, 5195781465, 6927708620, 10391562930, 20783125860]

約数ペア:

[(1, 20783125860), (2, 10391562930), (3, 6927708620), (4, 5195781465), (5, 4156625172), (6, 3463854310), (7, 2969017980), (10, 2078312586), (12, 1731927155), (14, 1484508990), (15, 1385541724), (20, 1039156293), (21, 989672660), (28, 742254495), (30, 692770862), (35, 593803596), (42, 494836330), (60, 346385431), (70, 296901798), (84, 247418165), (105, 197934532), (140, 148450899), (210, 98967266), (420, 49483633)]