20984820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6599}}^1$

素因数の和:6664

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 38890380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6599, 13198, 19797, 26396, 32995, 39594, 65990, 79188, 98985, 131980, 197970, 349747, 395940, 699494, 1049241, 1398988, 1748735, 2098482, 3497470, 4196964, 5246205, 6994940, 10492410, 20984820]

約数ペア:

[(1, 20984820), (2, 10492410), (3, 6994940), (4, 5246205), (5, 4196964), (6, 3497470), (10, 2098482), (12, 1748735), (15, 1398988), (20, 1049241), (30, 699494), (53, 395940), (60, 349747), (106, 197970), (159, 131980), (212, 98985), (265, 79188), (318, 65990), (530, 39594), (636, 32995), (795, 26396), (1060, 19797), (1590, 13198), (3180, 6599)]