20804915940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1107823}}^1$

素因数の和:1108148

約数の個数: 48

約数和(自身を含む): 58439931648

約数和(自身を除く): 37635015708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 1252, 1565, 1878, 3130, 3756, 4695, 6260, 9390, 18780, 1107823, 2215646, 3323469, 4431292, 5539115, 6646938, 11078230, 13293876, 16617345, 22156460, 33234690, 66469380, 346748599, 693497198, 1040245797, 1386994396, 1733742995, 2080491594, 3467485990, 4160983188, 5201228985, 6934971980, 10402457970, 20804915940]

約数ペア:

[(1, 20804915940), (2, 10402457970), (3, 6934971980), (4, 5201228985), (5, 4160983188), (6, 3467485990), (10, 2080491594), (12, 1733742995), (15, 1386994396), (20, 1040245797), (30, 693497198), (60, 346748599), (313, 66469380), (626, 33234690), (939, 22156460), (1252, 16617345), (1565, 13293876), (1878, 11078230), (3130, 6646938), (3756, 5539115), (4695, 4431292), (6260, 3323469), (9390, 2215646), (18780, 1107823)]