20491506

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3319}}^1$

素因数の和:3348

約数の個数: 48

約数和(自身を含む): 51792000

約数和(自身を除く): 31300494

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3319, 6174, 6638, 9957, 19914, 23233, 29871, 46466, 59742, 69699, 139398, 162631, 209097, 325262, 418194, 487893, 975786, 1138417, 1463679, 2276834, 2927358, 3415251, 6830502, 10245753, 20491506]

約数ペア:

[(1, 20491506), (2, 10245753), (3, 6830502), (6, 3415251), (7, 2927358), (9, 2276834), (14, 1463679), (18, 1138417), (21, 975786), (42, 487893), (49, 418194), (63, 325262), (98, 209097), (126, 162631), (147, 139398), (294, 69699), (343, 59742), (441, 46466), (686, 29871), (882, 23233), (1029, 19914), (2058, 9957), (3087, 6638), (3319, 6174)]